https://www.scienceforums.com/topic/97144-rapid09-ways-to-talk-to-a-american-live-representative-%E2%80%93-easy-and-effective/
https://regions-and-cities.europa.eu/sites/default/files/webform/multimedia_center/_sid_/americantele-fono-%C2%BFcomo-hablar-con-una-persona-en-american-airlines_0.pdf
https://konfhub.com/sixty-ways-to-call-to-live-agent-at-united-airlines-a-complete-step-by-step-guide