Thai Airways makes it simple and quick to cancel reservations. To access your account and log in simply go to the Thai Airways website. In the Manage Booking area you should provide your last name and booking reference. To complete the procedure, view your reservation details select the flight you wish to cancel and follow the instructions. For information on specific penalty and refund policies pertaining to your kind of ticket, check Thai airways cancel booking policy. If you have any questions or need more assistance, Thai Airways customer service is available to help. This process ensures that modifying your travel itinerary will be easy.