Access the American Airlines Manage Booking on the Official Site Find the "Find Your Trip" tab on the homepage of the website. You must submit some information as soon as the page loads. Please be cautious to fill all the necessary information. Fill in the spaces with your first and last names. the Booking Number following that. You can also conduct a search using the ticket number you were issued. Your ticket number can be found there as well as other information in the SMS you received or the email you sent. Select the alterations you want to make to the flight of your choice. You can choose from a number of services, including the ability to change, add, or remove meals from your reservation. now adhere to the directions provided.