Start Level 1 Node: InfoSources in Travel ManagementInfoSources in Travel ManagementEnd Level 1 Node: InfoSources in Travel Management
   Start Level 2 Node: Travel Planning: Booking DataTravel Planning: Booking DataEnd Level 2 Node: Travel Planning: Booking Data
   Start Level 2 Node: Travel Expenses: Totals and DocumentsTravel Expenses: Totals and DocumentsEnd Level 2 Node: Travel Expenses: Totals and Documents