https://www.oise.utoronto.ca/deepeningknowledge/wp-content/uploads/ninja-forms/2/guia-%C2%BFcomo-hablo-con-una-persona-en-american-airlines.pdf
https://kuwaitlocal.com/classifieds/121-ways-to-speak-to-connect-a-live-agent-at-frontier-airlines-a-quick-guide