https://www.devex.com/people/southwest-airlines-cancellation-policy-what-you-need-to-know-2356328
https://www.devex.com/people/can-you-cancel-your-southwest-airlines-flight-without-fees-2356386
https://www.devex.com/people/everything-you-should-know-about-cancelling-southwest-airlines-flights-2356440
https://www.devex.com/people/help-can-i-change-a-name-on-an-airline-ticket-from-united-airlines-2356366
https://www.devex.com/people/lufthansa-airlines-passenger-name-update-instructions-2356391