https://www.scienceforums.com/topic/96429-08-to-connect-to-live-agent-at-lufthansa-via-phone-email-or-chat-options-a-step-by-step-guide/
https://www.scienceforums.com/topic/96518-01-speedy-approaches-to-call-and-connect-with-someone-at-american%C2%AE-airlines-%E2%80%93-detailed-instructions/
https://www.scienceforums.com/topic/93183-19-ways-to-speak-with-klm%C2%AE%EF%B8%8F-usa-contact-numbers-%E2%80%93-a-complete-help-guide/
https://www.scienceforums.com/topic/96516-verified-4-methods-to-reach-a-live-agent-at-american-airlines-instantly/