Have you previously or recently made a booking on Air Botswana? You can’t fly on your selected date? Then you can easily cancel the flight ticket that you have booked with Air Botswana. But like other airlines, Air Botswana has its own rules and restrictions for cancellation. You have to know about the Air Botswana Reservations cancellation policy before making a request for cancellation
https://www.theairlinesreservations.com/airlines/air-botswana-reservations/