https://www.devex.com/people/is-american-airlines-charging-for-cancellations-2183960

https://www.ingrammicroresellerapplication.com/forums/general-discussion/9d3e9cce-abba-ef11-95f6-7c1e5241e8d5

https://www.ingrammicroresellerapplication.com/forums/general-discussion/5e34a070-b4ba-ef11-95f5-000d3a03f350

https://www.ingrammicroresellerapplication.com/forums/general-discussion/e55bf1cd-b4ba-ef11-95f5-000d3a0434c7

https://www.ingrammicroresellerapplication.com/forums/general-discussion/6da36c5a-b4ba-ef11-95f5-000d3a0434c7

https://www.ingrammicroresellerapplication.com/forums/general-discussion/c97bbc8b-b0ba-ef11-95f5-000d3a0434c7

https://www.devex.com/people/what-iscancellationpolicy-for-expedia-does-expedia-actually-refund-money-2183930

https://www.devex.com/people/refund-does-american-have-a-cancellation-policy-2183927

https://community.jungleworks.com/t/united-airlines-what-is-the-cancellation-policy-on-united/73383

https://www.devex.com/people/faqs-general-does-qatar-have-a-free-cancellation-policy-2183773