https://regions-and-cities.europa.eu/sites/default/files/webform/multimedia_center/_sid_/aa-desde-%C2%BFcomo-hablo-con-una-persona-en-american-airlines-telefono.pdf
https://official-travel-support.fider.io/posts/9/eight-ways-to-phone-and-talk-to-a-live-agent-at-sixt-r-the-complete-guide
https://www.hipertrofia.org/forum/topic/267232-fourtyways-to-connect-to-a-southwest-airlines-agent-customer-service-phone-emai/
https://forum.mygolfspy.com/topic/72750-proven-8-ways-to-talk-to-live-agent-at-kayak%C2%AE-%C2%AE%EF%B8%8F-a-complete-guide/
