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

https://www.entmasterclass.com/forum/general-discussion/know-acerca-de-what-is-3-6-expedia-cancellation-policy-get-now

https://medium.com/@promarketingworld23/how-do-i-talk-to-a-real-person-at-*******-airways-book-a-flight-*******-41499c6d2089

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

https://hackmd.io/@TravisScottDaysBeforeRodeoReRelease/HyjkSv7sA