Just in case, a passenger books a flight and has a need to cancel the flight within 24 hours of the flight booking, in that case, the passenger can claim to get a full refund towards the cancellation. If you have some want to cancel your booked British Airlines flight ticket, you will require to comply with the cancellation procedure. And the cancellation choice is on its website. Besides, before initiating the cancellation on British Airways, you should be aware of British Airways cancellation policy.
Airlines Policy is an online web portal that will clear all your doubts about worldwide flight policies