You just have to dial 1(888)-413-6950 to speak to a live person at Southwest. Booking a specific flight and then canceling it isn't a big deal; There are many reasons. The main concern is whether you get a refund when canceling flights with Southwest Airlines. If a flight has been canceled within 24 hours of reservation, you will get a full refund for the Southwest flight cancellation. See all the details on how to obtain a Southwest refund under the Southwest Airlines Cancellation Policy.