Travel is not a single element. It is multi-dimensional as well as consisting of products such as flights, hotels, cars etc other factors have influenced the trip creation. Travel policy, Visa requirements, payment requirements, capture of company required data, approval etc. Travel also brings together multiple vendors, Airlines, Hotel Chains, Car companies. All use different systems and documentation. Add to this your own company unique requirements, Must have a 6 digit PO number, all reservations must be assigned to a cost centre, Include our insurance details on every itinerary. How are all these things managed?
The answer is robotic quality control.