https://www.devex.com/people/aa-what-is-the-cancellation-policy-with-aeromexico-2411032
https://www.devex.com/people/travel-refund-what-is-the-southwest-cancelation-policy-policy-2410351
https://www.devex.com/people/southwest-usa-what-is-the-southwest-cancelation-policy-policy-2410418