First name of the Customers Employee, that has changed this Reservation at last.
If the employee identified by TravelAgentCode, TravelAgentFirstName and TravelAgentLastName is not known by sunnycars during creation of the reservation, CarRentalAgentService will create a new TravelAgent for the operator(Agency).
Reservation Class | SunnyCars.Schema.Osi.WsReservation.V4 Namespace