https://nch.invisionzone.com/topic/89435-001-aa-practical-options-how-can-i-speak-to-a-live-agent-at-american-airlines%C2%AE-%E2%80%93-a-detailed-walkthrough/
https://www.jeffbullas.com/thread/08-best-steps-to-speak-with-american-airlines-fast-booking-help-manual/
https://www.supramania.com/threads/como-llamar-a-latam-en-mexico-52-800-953-0855-latam-en-mexico.337231/
https://www.jeffbullas.com/thread/sevenways-to-contact-to-someone-at-frontier-airline%ef%b8%8f-step-to-guide/