In order to use the managed booking service, passengers can simply follow the steps below: The first step is to browse the American Airlines website. Then, click the My Trip tab in the menu. Then, enter the first and last name of the passenger and the reservation reference code to access the reservation. After entering the correct itinerary details, the details will be retrieved. After that, the passenger can change the flight details, that is, the place of departure, destination or time. If needed, you can also choose to upgrade your seat. For this, the difference in fare is generally paid. Other services such as extra meals and seat allocation are also provided here. It also provides passengers with the convenience of refunds and refunds. To save and update the detailed information, the passenger must pay the difference (if any) and submit it. The confirmation email or text message is received by the passenger and contains the updated e-ticket and you are done with Delta Airlines Manage Booking .