Concepts 
This variant is technically an enhancement of the variant Single Flight Booking (Proxy-to-Proxy).
It addresses additional concepts that are also covered by the Checking Flight Seat Availability (Proxy-to-Web Service) variant (more information: Concepts).
The process integration scenario is in the ES Repository under the name SingleFlightBooking (in the software component version SAP Basis 7.30, namespace http://sap.com/xi/XI/Demo/Agency). Navigate forward to find all the objects used by the process integration scenario (interface objects, mapping objects).
The airline provides a Web service for exchanging messages. You can find the Web service definition in the SAP system. Call transaction Object Navigator (SE80) and select the package SAI_DEMO_AIRLINE. You find the Web service definition under . The name of the Web service is SXIDAL_FBO_REQUEST.
Note
The Web service is a development object that is included in the shipment.