https://support.cgu.edu/hc/en-us/community/posts/32101671324052–%F0%9D%95%BE%F0%9D%96%95%F0%9D%96%8E%F0%9D%96%97%F0%9D%96%8E%F0%9D%96%99-How-to-get-a-refund-from-Spirit-24-7-Support

https://www.devex.com/people/como-llamar-a-british-airways-desde-mexico-2088990

https://www.devex.com/people/como-hablo-con-una-persona-real-en-expedia-2091200

https://www.devex.com/people/como-llamar-a-united-airlines-de-mexico-2090531xd

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https://www.devex.com/people/como-hablo-con-una-persona-real-en-expedia-2091200

https://www.devex.com/people/como-hablo-con-una-persona-real-en-expedia-2091200

https://lacdmhowr.powerappsportals.us/forums/general-discussion/5973f73c-32a3-ef11-b542-001dd8097a1a

https://www.devex.com/people/mx-como-llamar-a-american-airlines-en-espanol-2091291

https://www.devex.com/people/policy-refund-instant-does-frontier-give-you-a-refund-f9-no-refund-fee-2091343