https://support.google.com/admanager/thread/335556325?hl=en&sjid=4458061972959425839-NC

https://forum.dimensionengineering.com/topic/3451-ways-to-call-delta-airlines-customer-service-by-phone-email-or-chat-options-comprehensive-guide/

https://forum.dimensionengineering.com/topic/3456-ways-to-contact-american-airlines-customer-service-via-phone-email-chat-step-by-step/

https://www.goodreads.com/topic/show/23097660-is-expedia-actually-fully-refundable

https://c.mi.com/global/post/1380925/Air_Europa_M%C3%A9xico_%C2%BFC%C3%B3mo_puedo_hablar_con_una_perso

Breeze Airways How to Contact Customer Service: Complete and Detailed Guide

https://www.goodreads.com/quotes/12694850-does-southwest-airlines-offer-aarp-discounts-aarp-9795-southwest-airlines-does-not

https://www.goodreads.com/quotes/12694844-guide-aarp-does-southwest-airlines-offer-aarp-discounts-southwest-airlines

https://support.google.com/edu/classroom/thread/335661116?authuser=1&hl=en&sjid=12439024510037848639-NC

https://www.goodreads.com/quotes/12694842-faq-aarp-does-southwest-airlines-offer-aarp-discounts-southwest-airlines-does-not