https://www.goodreads.com/topic/show/23050618-american-how-do-i-speak-directly-at-american-airlines-expert-team
https://www.goodreads.com/topic/show/23050602-direct-line-how-to-speak-directly-at-american-airlines
https://www.goodreads.com/topic/show/23050590-the-ultimate-guide-how-to-speak-directly-at-lufthansa-airlines
https://www.goodreads.com/topic/show/23050578-how-to-get-in-touch-directly-with-lufthansa-airlines-customer-service