| Location | Pickup, interim stops and drop-off details.Pickup, interim stops and drop-off details. |
 Passenger | Information about a primary passenger (who is the contact for this reservation) and additional passengers.Information on the one primary passenger and, optionally, several additional passengers. |
| Payments | Payment(s) associated with this ground transportation reservation request. |
 RateQualifier | Rate qualifier and promotions that apply to this reservation. |
| Reference | A reference ID that was returned in a prior availability response message.An identifier used to uniquely reference an object in a system (e.g. an airline reservation reference, customer profile reference, booking confirmation number, or a reference to a previous availability quote). |
| Service | Private service information. Exclusive use of vehicle (e.g. Limo or Black Car).Passenger preferences requested and/or required for a ground transportation service, including service type, disability vehicle and other vehicle preferences. |
| Shuttle | Shuttle reservation information. Shared use of a vehicle where you are purchasing an individual fare or a seat (e.g. Bus, super shuttle) |