In accordance with ANA Airlines cancellation policy, this cancellation policy will only be considered for bookings made through ana’s official website, application, or through ANA Airlines’ reservation department.If you don’t want to cancel through the ANA website, you can easily cancel your flight directly by calling a customer service representative at 1-800-364-9405.When you call this phone number, you will need to provide some important information to ANA Airlines Customer Service so that they can cancel your booking.