https://www.devex.com/people/step-by-step-guide-to-cancelling-an-southwest-airlines-flight-2356544
https://www.devex.com/people/understanding-southwest-airlines-ticket-cancellation-policies-2356596
https://www.devex.com/people/refund-options-when-cancelling-an-southwest-airlines-flight-2356616
https://www.devex.com/people/how-to-cancel-first-class-tickets-on-southwest-airlines-2356621
https://www.devex.com/people/can-you-cancel-your-southwest-airlines-ticket-without-penalties-2356682