https://www.devex.com/people/como-hablar-con-una-persona-en-american-airlines-1976957

https://www.devex.com/people/delta-como-hablar-con-alguien-de-delta-da-1976364

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https://central.xero.com/s/question/0D58V00009Oyy6ASAR/ua-8558384859-what-is-uniteds-cancellation-policy

https://www.upcm-anatomy.com/forum/general-discussion/what-is-expedia-cancellation-policy-call-usa

https://www.ohmygrill.us/forum/general-discussion/h-p-c-nc-n-p-c

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https://central.xero.com/s/question/0D58V00009OPdKISA1/faq-will-spirit-refund-my-money-if-i-cancel-ticket-refund-instant

https://www.entmasterclass.com/forum/general-discussion/aa-855-838-4859-what-is-the-cancellation-policy-for-american-airlines

https://medium.com/@smossewala108/how-to-talk-to-a-*******-representative-get-a-human-1966af43aac8