https://community.fans.flames.nhl.com/topic/31026-contact-lufthansa-airlines-usa-contact-numbers–the-complete-guide/

https://community.fans.flames.nhl.com/topic/31026-contact%E2%84%A2-lufthansa-airlines%C2%AE%EF%B8%8F-usa-contact-numbers-%E2%80%93-the-complete-guide/