https://hackmd.io/@official-American-Support/16-Ways-to-Call-Directly-at-American-Airline-Customer-Service
https://american-customer-care.github.io/guide1/ways-to-talk-to-american-airlines-turbo-guidelines/
https://hackmd.io/@americanair-lines-help-desk/5-ways-to-call-to-live-agent-at-american-airlines-via-phone-email-or-chat-a-step-by-step-guide
https://hackmd.io/@Airlines-travels-guides/ways-to-talk-to-live-agent-with-frontier-airlines-via-phone-email-or-chat-option-a-step-by-step-guide
https://pressbooks.pub/traveltask/chapter/%f0%9d%9f%8f%f0%9d%9f%90-ways-to-connect-to-live-agent-at-frontier-airlines-via-phone-email-or-chat-options-a-step-by-step-guide/
https://officially-connect-with-airlines.github.io/guide-to-help/14-Quick-and-Easy-Ways-to-Contact-a-Frontier-Airlines-Representative-Using-Official-Channels/
https://forums.serebii.net/threads/11-ways-to-connect-to-someone-at-frontier-airlines-through-phone-email-or-chat-a-guide-in-detailed.788478/