https://cpm.tamu.edu/wp-content/uploads/formidable/2/Easy-Way-to-Speak-to-Someone-at-Delta-Airlines-The-Complete-Help-Guide.pdf
https://cpm.tamu.edu/wp-content/uploads/formidable/2/Easy-Way-to-Speak-to-Someone-at-United-Airlines-The-Complete-Help-Guide.pdf
https://sharefolks.com/public/index.php/view/how-to-talk-to-a-live-support-at-alaska-air-lines–r–usa—each-travel-issue