https://airallhelpdesk.zohodesk.com/portal/en/kb/articles/c%C3%B3mo-hablo-con-una-persona-en-american-airlines
https://www.orangetractortalks.com/forums/threads/10-ways-to-contact-how-can-i-talk-to-someone-at-momondo-r-a-step-by-step-guide.76100/
https://www.stylevore.com/95-ways-to-get-in-touch-with-allegiant-air-customer-service-by-call-email-or-chat-options-full-support-guide/
https://www.stylevore.com/15-ways-to-get-in-touch-with-allegiant-air-customer-service-by-call-email-or-chat-options-full-support-guide/
http://orangetractortalks.com/forums/threads/25-ways-to-call-how-can-i-speak-to-live-agent-at-expedia-a-step-by-step-guide.76165/