To manage your booking on British Airways, go to their official website and choose the
British Airways Manage My Booking option. Provide your booking reference and the last name of the primary traveler to access your booking details.select or change your seat assignments, add services like baggage and check for available flight upgrades. Additionally, you can complete online check-in and obtain your boarding pass in advance.If you encounter any issues or need assistance, you can contact British Airways' customer service for help.