https://forum.netgate.com/topic/194252/pol%C3%ADtica-de-cancelaci%C3%B3n-de-american-airlines

¿Cómo hablar con alguien de Delta

https://forum.netgate.com/topic/194160/1-877-660-6474-does-at-t-net-still-exist

https://www.devex.com/people/can-i-cancel-and-get-a-refund-with-southwest-2097280

https://idashelteringla.com/en-US/forums/support-forum/0fa5e020-2ba4-ef11-95f6-000d3a76263f

https://blockpath.com/pages/Charities/comments/gx7/qbs_us_support/https://blockpath.com/pages/Charities/comments/gx7/qbs_us_support/

https://techcommunity.microsoft.com/discussions/microsoftlearn/call-us%E2%84%A2-2024what-is-expedia-cancellation-policy–refund-policy/4303001

https://forum.netgate.com/topic/194068/how-do-i-contact-quickbooks-premier-support-by-phone-available

How to Change Passenger Name on Delta Airlines?

https://forum.netgate.com/topic/194190/american-pol%C3%ADtica-de-cancelaci%C3%B3n-de-american-airlines