Start Level 1 Node: Characteristics in Travel ManagementCharacteristics in Travel ManagementEnd Level 1 Node: Characteristics in Travel Management
   Start Level 2 Node: Trip Provision VariantTrip Provision VariantEnd Level 2 Node: Trip Provision Variant
   Start Level 2 Node: Selling AirlineSelling AirlineEnd Level 2 Node: Selling Airline
   Start Level 2 Node: Type of Trip DataType of Trip DataEnd Level 2 Node: Type of Trip Data
   Start Level 2 Node: Operating AirlineOperating AirlineEnd Level 2 Node: Operating Airline
   Start Level 2 Node: Basis Code of Rate ComponentBasis Code of Rate ComponentEnd Level 2 Node: Basis Code of Rate Component
   Start Level 2 Node: User Grouping for Travel PlanningUser Grouping for Travel PlanningEnd Level 2 Node: User Grouping for Travel Planning
   Start Level 2 Node: Booking Class of a Flight (RBD)Booking Class of a Flight (RBD)End Level 2 Node: Booking Class of a Flight (RBD)
   Start Level 2 Node: Booking Class of 1st Flight (RBD)Booking Class of 1st Flight (RBD)End Level 2 Node: Booking Class of 1st Flight (RBD)
   Start Level 2 Node: Booking Class of 2nd Flight (RBD)Booking Class of 2nd Flight (RBD)End Level 2 Node: Booking Class of 2nd Flight (RBD)
   Start Level 2 Node: Booking Class of 3rd Flight (RBD)Booking Class of 3rd Flight (RBD)End Level 2 Node: Booking Class of 3rd Flight (RBD)
   Start Level 2 Node: Booking Class of 4th Flight (RBD)Booking Class of 4th Flight (RBD)End Level 2 Node: Booking Class of 4th Flight (RBD)
   Start Level 2 Node: Booking Record (Passenger Name Record Locator)Booking Record (Passenger Name Record Locator)End Level 2 Node: Booking Record (Passenger Name Record Locator)
   Start Level 2 Node: Unique Booking Class for Round Trip (RBD)Unique Booking Class for Round Trip (RBD)End Level 2 Node: Unique Booking Class for Round Trip (RBD)
   Start Level 2 Node: Airline of 1st FlightAirline of 1st FlightEnd Level 2 Node: Airline of 1st Flight
   Start Level 2 Node: Airline of 2nd FlightAirline of 2nd FlightEnd Level 2 Node: Airline of 2nd Flight
   Start Level 2 Node: Airline of 3rd FlightAirline of 3rd FlightEnd Level 2 Node: Airline of 3rd Flight
   Start Level 2 Node: Airline of 4th FlightAirline of 4th FlightEnd Level 2 Node: Airline of 4th Flight
   Start Level 2 Node: Unique Airline for Round TripUnique Airline for Round TripEnd Level 2 Node: Unique Airline for Round Trip
   Start Level 2 Node: Cabin Class of a FlightCabin Class of a FlightEnd Level 2 Node: Cabin Class of a Flight
   Start Level 2 Node: Cabin Class of 1st FlightCabin Class of 1st FlightEnd Level 2 Node: Cabin Class of 1st Flight
   Start Level 2 Node: Cabin Class of 2nd FlightCabin Class of 2nd FlightEnd Level 2 Node: Cabin Class of 2nd Flight
   Start Level 2 Node: Cabin Class of 3rd FlightCabin Class of 3rd FlightEnd Level 2 Node: Cabin Class of 3rd Flight
   Start Level 2 Node: Cabin Class of 4th FlightCabin Class of 4th FlightEnd Level 2 Node: Cabin Class of 4th Flight
   Start Level 2 Node: Unique Cabin Class for Round TripUnique Cabin Class for Round TripEnd Level 2 Node: Unique Cabin Class for Round Trip
   Start Level 2 Node: Trip Type - StatutoryTrip Type - StatutoryEnd Level 2 Node: Trip Type - Statutory
   Start Level 2 Node: Trip Type - Enterprise-SpecificTrip Type - Enterprise-SpecificEnd Level 2 Node: Trip Type - Enterprise-Specific
   Start Level 2 Node: Travel Service CategoryTravel Service CategoryEnd Level 2 Node: Travel Service Category
   Start Level 2 Node: TravelerTravelerEnd Level 2 Node: Traveler
   Start Level 2 Node: Ticket Element is Local (Not in Reservation System)Ticket Element is Local (Not in Reservation System)End Level 2 Node: Ticket Element is Local (Not in Reservation System)
   Start Level 2 Node: Ticketing Mode of Flight TicketTicketing Mode of Flight TicketEnd Level 2 Node: Ticketing Mode of Flight Ticket
   Start Level 2 Node: Connecting Airport for Flight to DestinationConnecting Airport for Flight to DestinationEnd Level 2 Node: Connecting Airport for Flight to Destination
   Start Level 2 Node: Connecting Airport for Return FlightConnecting Airport for Return FlightEnd Level 2 Node: Connecting Airport for Return Flight
   Start Level 2 Node: Sales Type of Flight Ticket RateSales Type of Flight Ticket RateEnd Level 2 Node: Sales Type of Flight Ticket Rate
   Start Level 2 Node: Customizing Limit for Travel Expense Type ExceededCustomizing Limit for Travel Expense Type ExceededEnd Level 2 Node: Customizing Limit for Travel Expense Type Exceeded