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

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://central.xero.com/s/question/0D58V00009OPiOPSA1/faq-does-%F0%9D%91%B2%F0%9D%91%B3%F0%9D%91%B4-have-a-24hour-cancellation-policy

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

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

https://www.devex.com/people/faq-ans-como-hablar-con-una-persona-en-american-airlines-aa-1967790

https://**********clover.com/questions/66563/como-llamar-a-delta-desde-mexico.html