| AssociatedContent | Associated itinerary information such as theatre tickets, museum entries, conference tickets, sporting event, etc.Associated content is content (items) associated with the itinerary, but not being part of an itinerary. Examples of itinerary associated items are, travel insurance, maps, and city information. |
 CustomerInfos | Information for all customers associated with this itinerary. |
| ItineraryInfo | Itinerary reservation information.Specific itinerary information, including additional contact information, reservation items, air reservation ticket information, pricing and special requests. |
| ItineraryRef | Controlling system's reference to this itinerary.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). |
| Remarks | Free text remarks associated with the itinerary (non-customer, non-item). |
| TPA_Extensions | A placeholder in the schema to allow for additional elements and attributes to be included per Trading Partner Agreement (TPA).Allows extensions to be added to the OpenTravel specification per trading partner agreement. |
| TravelCost | Total cost associated with the entire itinerary.Form of payment and entire itinerary pricing. |
| UpdatedBy | Information on the last entity to modify this Itinerary and when this occurred.Element to capture creation and last update data. |