https://www.workingus.com/forums/topic/14-w-a-y-s-to-call-how-do-i-talk-to-someone-at-expedia-%ef%b8%8f-a-full-guide/
https://ctl.gatech.edu/sites/default/files/webform/teaching_with_technology_partner/_sid_/connect-to-live-agent-at-american-airlines.pdf