From 71e9c1149db8a4e1c56fdfe62237a3538d73dffc Mon Sep 17 00:00:00 2001
From: I543501 <lars.plessing@sap.com>
Date: Mon, 13 Jul 2026 14:00:18 +0200
Subject: [PATCH 1/9] recap init

---
 app/_i18n/i18n.properties    |  2 ++
 app/_i18n/i18n_de.properties |  1 +
 app/_i18n/i18n_en.properties |  1 +
 app/_i18n/i18n_fr.properties |  1 +
 app/travels/layouts.cds      | 14 ++++++++++++++
 db/schema.cds                | 16 ++++++++--------
 package.json                 | 12 +++++++++++-
 srv/data-federation.js       |  5 ++++-
 srv/travel-service.cds       |  2 +-
 srv/travel-service.js        | 11 ++++++++++-
 test/saga.http               | 30 +++++++++++++++++++++++++++---
 11 files changed, 80 insertions(+), 15 deletions(-)

diff --git a/app/_i18n/i18n.properties b/app/_i18n/i18n.properties
index a2c38a4..51ad8d1 100644
--- a/app/_i18n/i18n.properties
+++ b/app/_i18n/i18n.properties
@@ -7,6 +7,7 @@ ArrivalTime=Arrival Time
 BeginDate=Starting Date
 Booking=Booking
 BookingDate=Booking Date
+Status.code=Status
 BookingFee=Booking Fee
 BookingID=Booking ID
 BookingSupplement=Booking Supplement
@@ -50,4 +51,5 @@ Travel=Travel
 TravelAgency=Travel Agency
 Travels=Travels
 TravelStatus=Travel Status
+Status=Booking Status
 WebAddress=Web Address
diff --git a/app/_i18n/i18n_de.properties b/app/_i18n/i18n_de.properties
index 15448f4..94fb764 100644
--- a/app/_i18n/i18n_de.properties
+++ b/app/_i18n/i18n_de.properties
@@ -50,4 +50,5 @@ Travel=Reise
 TravelAgency=Veranstalter
 Travels=Reisen
 TravelStatus=Reisestatus
+Status=Buchungsstatus
 WebAddress=Web-Adresse
diff --git a/app/_i18n/i18n_en.properties b/app/_i18n/i18n_en.properties
index a2c38a4..be7a0f4 100644
--- a/app/_i18n/i18n_en.properties
+++ b/app/_i18n/i18n_en.properties
@@ -50,4 +50,5 @@ Travel=Travel
 TravelAgency=Travel Agency
 Travels=Travels
 TravelStatus=Travel Status
+Status=Booking Status
 WebAddress=Web Address
diff --git a/app/_i18n/i18n_fr.properties b/app/_i18n/i18n_fr.properties
index 35086d9..d036d60 100644
--- a/app/_i18n/i18n_fr.properties
+++ b/app/_i18n/i18n_fr.properties
@@ -50,4 +50,5 @@ Travel=Voyage
 TravelAgency=Agence de voyage
 Travels=Voyages
 TravelStatus=Statut du voyage
+Status=Statut de la réservation
 WebAddress=Adresse e-mail
diff --git a/app/travels/layouts.cds b/app/travels/layouts.cds
index ea8c232..d2ceb66 100644
--- a/app/travels/layouts.cds
+++ b/app/travels/layouts.cds
@@ -112,6 +112,13 @@ annotate TravelService.Bookings with @UI : {
     { Value : Flight.destination, Label : '{i18n>Destination}', @HTML5.CssDefaults: {width:'19em'}, @Common.FieldControl: #ReadOnly },
     { Value : Flight.airline,     Label : '{i18n>Airline}',     @HTML5.CssDefaults: {width:'11em'}, @Common.FieldControl: #ReadOnly },
     { Value : BookingDate,        Label : '{i18n>BookingDate}' },
+    { Value : Status.code,        Label : '{i18n>Status}',  @UI.Importance : #High,       @HTML5.CssDefaults: {width:'10em'},
+      Criticality : (
+        Status.code == #Confirmed ? 3 :
+        Status.code == #Failed    ? 1 :
+        0
+      ),
+    },
   ],
 
   Facets : [{
@@ -140,6 +147,13 @@ annotate TravelService.Bookings with @UI : {
     { Value : Pos },
     { Value : BookingDate },
     { Value : Travel.Customer.ID },
+    { Value : Status.code, Label : '{i18n>Status}',
+      Criticality : (
+        Status.code == #Confirmed ? 3 :
+        Status.code == #Failed    ? 1 :
+        0
+      ),
+    },
   ]},
 
   FieldGroup #Flight: {Data: [
diff --git a/db/schema.cds b/db/schema.cds
index d6ff804..e9dbf7d 100644
--- a/db/schema.cds
+++ b/db/schema.cds
@@ -36,6 +36,14 @@ entity Bookings {
       Status      : Association to BookingStatus default 'O';
 }
 
+entity BookingStatus : sap.common.CodeList {
+  key code : String(1) enum {
+    Open      = 'O';
+    Confirmed = 'C';
+    Failed    = 'F';
+  }
+}
+
 
 entity TravelAgencies {
   key ID           : String(6);
@@ -60,14 +68,6 @@ entity TravelStatus : sap.common.CodeList {
   }
 }
 
-entity BookingStatus : sap.common.CodeList {
-  key code : String(1) enum {
-    Open      = 'O';
-    Confirmed = 'C';
-    Failed    = 'F';
-  }
-}
-
 
 type Price : Decimal(9,4);
 
diff --git a/package.json b/package.json
index 84f9b82..387e221 100644
--- a/package.json
+++ b/package.json
@@ -3,8 +3,9 @@
   "version": "1.0.1",
   "description": "CAP XTravels sample application",
   "scripts": {
+    "start": "cds watch --port 4004",
+    "reset": "cds deploy && cds watch --port 4004",
     "lint": "npx eslint .",
-    "start": "cds-serve",
     "test": "cds test"
   },
   "dependencies": {
@@ -21,7 +22,16 @@
     "requires": {
       "messaging": {
         "kind": "file-based-messaging",
+        "file": "../msg-box",
         "inboxed": true
+      },
+      "queue": {
+        "maxAttempts": 6
+      }
+    },
+    "log": {
+      "levels": {
+        "odata": "error"
       }
     }
   },
diff --git a/srv/data-federation.js b/srv/data-federation.js
index 949a97f..8bf479a 100644
--- a/srv/data-federation.js
+++ b/srv/data-federation.js
@@ -18,7 +18,10 @@ cds.on ('loaded', csn => {
 cds.once ('served', () => Promise.all (feed.map (async each => {
   const srv = await cds.connect.to (each.remote)
   srv._once ??=!! srv.on ('replicate', replicate)
-  await srv.schedule ('replicate', each) .as (`replicate ${each.entity}`) .every ('10 minutes')
+  await srv
+    .schedule ('replicate', each) 
+    .as (`replicate ${each.entity}`) 
+    .every ('10 minutes')
 })))
 
 // Event handler for replicating single entities
diff --git a/srv/travel-service.cds b/srv/travel-service.cds
index 01ec5e4..e2bc514 100644
--- a/srv/travel-service.cds
+++ b/srv/travel-service.cds
@@ -17,7 +17,7 @@ using { sap.capire.s4 } from '../apis/capire/s4';
   @readonly entity Customers as projection on s4.Customers;
   @readonly entity Flights as projection on x.Flights;
   @readonly entity Supplements as projection on x.Supplements;
-
+  entity Outbox as projection on cds.outbox.Messages;
 }
 
 // Custom type for percentage values
diff --git a/srv/travel-service.js b/srv/travel-service.js
index 4fbdeb1..b24b243 100644
--- a/srv/travel-service.js
+++ b/srv/travel-service.js
@@ -26,12 +26,17 @@ class TravelService extends cds.ApplicationService {
     const { Flights, Supplements, Travels, Customers } = this.entities
     const { Bookings } = cds.entities ('sap.capire.travels')
 
+    this.on('READ', 'Outbox', () => cds.db.run(SELECT.from('cds.outbox.Messages'))) 
+
     // Delegate value helpp requests on Customers to S4 Business Partner service
     this.on ('READ', Customers, req =>  s4.run (req.query))
 
     // REVISIT: generic crud does not handle @cds.persistence.table and hence rejects due to @cds.persistence.skip
     this.on('READ', [Flights, Supplements], async function(req) {
-      if (req.target['@cds.persistence.table']) return cds.db.run(req.query)
+      if (req.target['@cds.persistence.table']) {
+        console.log (`Select from local replica for ${req.query._target.name}`)
+        return cds.db.run(req.query)
+      }
       return xflights.run(req.query)
     })
 
@@ -41,17 +46,20 @@ class TravelService extends cds.ApplicationService {
       return Promise.all (Bookings.map (booking => {
         let { Flight_ID: flight, Flight_date: date, Travel_ID, Pos } = booking
         // REVISIT: transport Travel_ID, Pos to callback via headers -> we need a backpack
+        console.log (`[${1}] Emit new Booking request for ${Travel_ID}`)
         return yfligths.emit ('BookingCreated', { flight, date }, { Travel_ID, Pos })
       }))
     })
 
     xflights.after('BookingCreated/#succeeded', async function(_, req) {
       const { Travel_ID, Pos } = req.headers
+      console.log (`[${3}] Booking Succeeded: Update Booking Status for ${Travel_ID} to 'C'`)
       await UPDATE(Bookings, { Travel_ID, Pos }).set({ Status_code: 'C' })
     })
 
     xflights.after('BookingCreated/#failed', async function(err, req) {
       const { Travel_ID, Pos } = req.headers
+      console.log (`[${3}] Booking Failed: Update Booking Status for ${Travel_ID} to 'F'`)
       await UPDATE(Bookings, { Travel_ID, Pos }).set({ Status_code: 'F' })
     })
 
@@ -59,6 +67,7 @@ class TravelService extends cds.ApplicationService {
       const { flight_ID: ID, date } = event.data
       // read current! free seats (messages can overtake each other -> don't propagate free seats in payload)
       const free_seats = await xflights.read(Flights, { ID, date }).columns('free_seats')
+      console.log (`[${4}] Update available seats for ${ID} to ${free_seats}`)
       await UPDATE(Flights, { ID, date }).set(free_seats)
     })
 
diff --git a/test/saga.http b/test/saga.http
index a7cd2c2..2476ca2 100644
--- a/test/saga.http
+++ b/test/saga.http
@@ -1,12 +1,10 @@
 @service = http://localhost:4004/odata/v4/travel
 
 ###
-
-GET {{service}}/Flights(ID='GA0322',date='2023-08-05') 
+GET {{service}}/Flights(ID='GA0322',date='2023-08-05')
 Authorization: Basic alice:
 
 ###
-
 POST {{service}}/Travels
 Authorization: Basic alice:
 Content-Type: application/json
@@ -28,3 +26,29 @@ Content-Type: application/json
     }
   ]
 }
+
+
+### Fully Booked
+
+POST {{service}}/Travels
+Authorization: Basic alice:
+Content-Type: application/json
+
+{
+  "ID": 4190,
+  "Description": "Test Travel Fully Booked",
+  "BeginDate": "2020-01-01",
+  "EndDate": "2030-12-31",
+  "Agency_ID": "070007",
+  "Customer_ID": "000001",
+  "Currency_code": "EUR",
+  "Bookings": [
+    {
+      "Pos": 1,
+      "Flight_ID": "GA0322",
+      "Flight_date": "2023-08-05",
+      "BookingDate": "2022-08-05",
+      "Currency_code": "EUR"
+    }
+  ]
+}

From 91e2f5e9add211e02960d872ba36b3c8a491de49 Mon Sep 17 00:00:00 2001
From: I543501 <lars.plessing@sap.com>
Date: Mon, 13 Jul 2026 14:39:54 +0200
Subject: [PATCH 2/9] use cds logging

---
 package.json           |  3 ++-
 srv/data-federation.js |  3 ++-
 srv/travel-service.js  | 14 ++++++++------
 3 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/package.json b/package.json
index 387e221..a990b60 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,8 @@
     },
     "log": {
       "levels": {
-        "odata": "error"
+        "odata": "error",
+        "cds": "debug"
       }
     }
   },
diff --git a/srv/data-federation.js b/srv/data-federation.js
index 8bf479a..e05c696 100644
--- a/srv/data-federation.js
+++ b/srv/data-federation.js
@@ -1,5 +1,6 @@
 const cds = require ('@sap/cds')
 const feed = []
+const LOG = cds.log()
 
 // Collect all entities to be federated, and prepare replica tables
 cds.on ('loaded', csn => {
@@ -30,7 +31,7 @@ async function replicate (req) {
   let { latest } = await SELECT.one `max(modifiedAt) as latest` .from (entity)
   let rows = await remote.read (entity) .where `modifiedAt > ${latest||0}`
   if (rows.length) await UPSERT (rows) .into (entity); else return
-  console.log ('Replicated', rows.length, 'entries', { for: entity, via: this.kind }) // eslint-disable-line no-console
+  LOG.info('Replicated', rows.length, 'entries', { for: entity, via: this.kind }) // eslint-disable-line no-console
 }
 
 // Helpers to identify remote services, and check whether they are connected
diff --git a/srv/travel-service.js b/srv/travel-service.js
index b24b243..fbd7d11 100644
--- a/srv/travel-service.js
+++ b/srv/travel-service.js
@@ -1,6 +1,7 @@
 const cds = require ('@sap/cds')
 
 class TravelService extends cds.ApplicationService {
+  LOG
 
   async init() {
     await this.service_integration()
@@ -9,6 +10,7 @@ class TravelService extends cds.ApplicationService {
     this.update_totals()
     this.status_flows()
     this.data_export()
+    LOG = LOG.info()
     return super.init()
   }
 
@@ -34,7 +36,7 @@ class TravelService extends cds.ApplicationService {
     // REVISIT: generic crud does not handle @cds.persistence.table and hence rejects due to @cds.persistence.skip
     this.on('READ', [Flights, Supplements], async function(req) {
       if (req.target['@cds.persistence.table']) {
-        console.log (`Select from local replica for ${req.query._target.name}`)
+        LOG.info(`Select from local replica for ${req.query._target.name}`)
         return cds.db.run(req.query)
       }
       return xflights.run(req.query)
@@ -46,20 +48,20 @@ class TravelService extends cds.ApplicationService {
       return Promise.all (Bookings.map (booking => {
         let { Flight_ID: flight, Flight_date: date, Travel_ID, Pos } = booking
         // REVISIT: transport Travel_ID, Pos to callback via headers -> we need a backpack
-        console.log (`[${1}] Emit new Booking request for ${Travel_ID}`)
+        LOG.info(`[${1}] Emit new Booking request for ${Travel_ID}`)
         return yfligths.emit ('BookingCreated', { flight, date }, { Travel_ID, Pos })
       }))
     })
 
     xflights.after('BookingCreated/#succeeded', async function(_, req) {
       const { Travel_ID, Pos } = req.headers
-      console.log (`[${3}] Booking Succeeded: Update Booking Status for ${Travel_ID} to 'C'`)
+      LOG.info(`[${3}] Booking Succeeded: Update Booking Status for ${Travel_ID} to 'C'`)
       await UPDATE(Bookings, { Travel_ID, Pos }).set({ Status_code: 'C' })
     })
 
     xflights.after('BookingCreated/#failed', async function(err, req) {
       const { Travel_ID, Pos } = req.headers
-      console.log (`[${3}] Booking Failed: Update Booking Status for ${Travel_ID} to 'F'`)
+      LOG.info(`[${3}] Booking Failed: Update Booking Status for ${Travel_ID} to 'F'`)
       await UPDATE(Bookings, { Travel_ID, Pos }).set({ Status_code: 'F' })
     })
 
@@ -67,8 +69,8 @@ class TravelService extends cds.ApplicationService {
       const { flight_ID: ID, date } = event.data
       // read current! free seats (messages can overtake each other -> don't propagate free seats in payload)
       const free_seats = await xflights.read(Flights, { ID, date }).columns('free_seats')
-      console.log (`[${4}] Update available seats for ${ID} to ${free_seats}`)
-      await UPDATE(Flights, { ID, date }).set(free_seats)
+      LOG.info(`[${4}] Update available seats for ${ID} to ${free_seats.free_seats}`)
+      await UPDATE(Flights, { ID, date }).set(free_seats.free_seats)
     })
 
     // Update local Flights data whenever occupied seats change in XFlights

From 78b69719ec0a18d655de59b64b1fe3e5977272e5 Mon Sep 17 00:00:00 2001
From: I543501 <lars.plessing@sap.com>
Date: Mon, 13 Jul 2026 14:53:59 +0200
Subject: [PATCH 3/9] use cds log

---
 srv/travel-service.js | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/srv/travel-service.js b/srv/travel-service.js
index fbd7d11..02a30c7 100644
--- a/srv/travel-service.js
+++ b/srv/travel-service.js
@@ -1,7 +1,6 @@
 const cds = require ('@sap/cds')
 
 class TravelService extends cds.ApplicationService {
-  LOG
 
   async init() {
     await this.service_integration()
@@ -10,7 +9,6 @@ class TravelService extends cds.ApplicationService {
     this.update_totals()
     this.status_flows()
     this.data_export()
-    LOG = LOG.info()
     return super.init()
   }
 
@@ -19,6 +17,7 @@ class TravelService extends cds.ApplicationService {
    * Integrates with the XFlights service to keep Flights data in sync on both sides.
    */
   async service_integration() {
+    const LOG = cds.log()
 
     const s4 = await cds.connect.to ('sap.capire.s4.business-partner')
     const xflights = await cds.connect.to ('sap.capire.flights.data')
@@ -70,7 +69,7 @@ class TravelService extends cds.ApplicationService {
       // read current! free seats (messages can overtake each other -> don't propagate free seats in payload)
       const free_seats = await xflights.read(Flights, { ID, date }).columns('free_seats')
       LOG.info(`[${4}] Update available seats for ${ID} to ${free_seats.free_seats}`)
-      await UPDATE(Flights, { ID, date }).set(free_seats.free_seats)
+      await UPDATE(Flights, { ID, date }).set(free_seats)
     })
 
     // Update local Flights data whenever occupied seats change in XFlights

From 99179c907a3fe490379f70a5af73438d5b6cf51f Mon Sep 17 00:00:00 2001
From: I543501 <lars.plessing@sap.com>
Date: Tue, 14 Jul 2026 09:24:14 +0200
Subject: [PATCH 4/9] logging again

---
 srv/travel-service.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/srv/travel-service.js b/srv/travel-service.js
index b8337d9..7ed6592 100644
--- a/srv/travel-service.js
+++ b/srv/travel-service.js
@@ -36,6 +36,7 @@ class TravelService extends cds.ApplicationService {
       return Promise.all (Bookings.map (booking => {
         let { Flight_ID: flight, Flight_date: date, Travel_ID, Pos } = booking
         // Transport Travel_ID, Pos to callback via headers
+        LOG.info(`[${1}] Emit BookingCreated for Flight ${flight}`)
         return yfligths.emit ('BookingCreated', { flight, date }, { Travel_ID, Pos })
       }))
     })
@@ -55,6 +56,7 @@ class TravelService extends cds.ApplicationService {
     // Update local Flights data whenever occupied seats change in XFlights
     if (Flights['@cds.persistence.table']) xflights.on ('FlightsUpdated', async msg => {
       const { flight:ID, date, free_seats } = msg.data
+      LOG.info(`[${4}] Update Flight ${ID} free seats to ${free_seats}`)
       await UPDATE (Flights, { ID, date }) .with ({ free_seats })
     })
   }

From 1be09269c62252e5860c9d0e681ef84a5c84ac1c Mon Sep 17 00:00:00 2001
From: Sebastian Van Syckel <sebastian.van.syckel@sap.com>
Date: Tue, 14 Jul 2026 15:03:35 +0200
Subject: [PATCH 5/9] rm Outbox

---
 srv/travel-service/service.cds | 1 -
 1 file changed, 1 deletion(-)

diff --git a/srv/travel-service/service.cds b/srv/travel-service/service.cds
index 128eb46..98bd968 100644
--- a/srv/travel-service/service.cds
+++ b/srv/travel-service/service.cds
@@ -18,7 +18,6 @@ using { sap.capire.s4 } from '../../apis/capire/s4';
   @readonly entity Customers as projection on s4.Customers;
   @readonly entity Flights as projection on x.Flights;
   @readonly entity Supplements as projection on x.Supplements;
-  entity Outbox as projection on cds.outbox.Messages;
 }
 
 // Custom type for percentage values

From 35c27c5ccefcc8ca8f0b914b9630476fcbdf056d Mon Sep 17 00:00:00 2001
From: Sebastian Van Syckel <sebastian.van.syckel@sap.com>
Date: Tue, 14 Jul 2026 15:04:02 +0200
Subject: [PATCH 6/9] status next to main entity

---
 db/schema.cds | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/db/schema.cds b/db/schema.cds
index e9dbf7d..8de7b3c 100644
--- a/db/schema.cds
+++ b/db/schema.cds
@@ -19,6 +19,16 @@ entity Travels : managed {
   Bookings     : Composition of many Bookings on Bookings.Travel = $self;
 }
 
+entity TravelStatus : sap.common.CodeList {
+  key code : String(1) enum {
+    Open     = 'O';
+    InReview = 'P';
+    Blocked  = 'B';
+    Accepted = 'A';
+    Rejected = 'X';
+  }
+}
+
 
 entity Bookings {
   key Travel      : Association to Travels;
@@ -58,16 +68,6 @@ entity TravelAgencies {
 };
 
 
-entity TravelStatus : sap.common.CodeList {
-  key code : String(1) enum {
-    Open     = 'O';
-    InReview = 'P';
-    Blocked  = 'B';
-    Accepted = 'A';
-    Rejected = 'X';
-  }
-}
-
 
 type Price : Decimal(9,4);
 

From 106dd0df86e4cf36d598b817158a80b5f01deb6a Mon Sep 17 00:00:00 2001
From: Sebastian Van Syckel <sebastian.van.syckel@sap.com>
Date: Tue, 14 Jul 2026 15:05:02 +0200
Subject: [PATCH 7/9] revert

---
 srv/travel-service/service.cds | 1 +
 1 file changed, 1 insertion(+)

diff --git a/srv/travel-service/service.cds b/srv/travel-service/service.cds
index 98bd968..57c8293 100644
--- a/srv/travel-service/service.cds
+++ b/srv/travel-service/service.cds
@@ -18,6 +18,7 @@ using { sap.capire.s4 } from '../../apis/capire/s4';
   @readonly entity Customers as projection on s4.Customers;
   @readonly entity Flights as projection on x.Flights;
   @readonly entity Supplements as projection on x.Supplements;
+
 }
 
 // Custom type for percentage values

From ef65b02f898a1d9cf5b050401cee084a78f550aa Mon Sep 17 00:00:00 2001
From: sjvans <30337871+sjvans@users.noreply.github.com>
Date: Tue, 14 Jul 2026 15:06:01 +0200
Subject: [PATCH 8/9] Apply suggestion from @sjvans

---
 srv/travel-service/service.js | 2 --
 1 file changed, 2 deletions(-)

diff --git a/srv/travel-service/service.js b/srv/travel-service/service.js
index 9b3002b..6464625 100644
--- a/srv/travel-service/service.js
+++ b/srv/travel-service/service.js
@@ -25,8 +25,6 @@ class TravelService extends cds.ApplicationService {
     const { Flights, Travels, Customers } = this.entities
     const { Bookings } = cds.entities ('sap.capire.travels')
 
-    this.on('READ', 'Outbox', () => cds.db.run(SELECT.from('cds.outbox.Messages'))) 
-
     // Delegate value helpp requests on Customers to S4 Business Partner service
     this.on ('READ', Customers, req =>  s4.run (req.query))
 

From 39abd6b557ebdafe962e1a7685d10e8107b663c8 Mon Sep 17 00:00:00 2001
From: I543501 <lars.plessing@sap.com>
Date: Tue, 14 Jul 2026 15:18:20 +0200
Subject: [PATCH 9/9] logging

---
 srv/travel-service/service.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/srv/travel-service/service.js b/srv/travel-service/service.js
index 6464625..a8c4ca4 100644
--- a/srv/travel-service/service.js
+++ b/srv/travel-service/service.js
@@ -41,13 +41,13 @@ class TravelService extends cds.ApplicationService {
 
     xflights.after('BookingCreated/#succeeded', async function(_, req) {
       const { Travel_ID, Pos } = req.headers
-      LOG.info(`[${3}] Booking Succeeded: Update Booking Status for ${Travel_ID} to 'C'`)
+      LOG.info(`[${4}] Booking Succeeded: Update Booking Status for ${Travel_ID} to 'C'`)
       await UPDATE(Bookings, { Travel_ID, Pos }).set({ Status_code: 'C' })
     })
 
     xflights.after('BookingCreated/#failed', async function(err, req) {
       const { Travel_ID, Pos } = req.headers
-      LOG.info(`[${3}] Booking Failed: Update Booking Status for ${Travel_ID} to 'F'`)
+      LOG.info(`[${4}] Booking Failed: Update Booking Status for ${Travel_ID} to 'F'`)
       await UPDATE(Bookings, { Travel_ID, Pos }).set({ Status_code: 'F' })
     })
 
@@ -55,7 +55,7 @@ class TravelService extends cds.ApplicationService {
     if (Flights['@cds.persistence.table']) xflights.on ('FlightsUpdated', async function(msg) {
       const { flight:ID, date } = msg.data
       const { free_seats } = await this.read(Flights, { ID, date }).columns('free_seats')
-      LOG.info(`[${4}] Update Flight ${ID} free seats to ${free_seats}`)
+      LOG.info(`[${5}] Update Flight ${ID} free seats to ${free_seats}`)
       await UPDATE (Flights, { ID, date }) .with ({ free_seats })
     })
   }