Https://www.andhrafriends.com/topic/1084180-~full%E2%84%A2~-list-of-lufthansa-airlines-1-877-738-0633-customer-service-usa-cancellations-number-a-s/ https://www.andhrafriends.com/topic/1084180-~full%E2%84%A2~-list-of-lufthansa-airlines-1-877-738-0633-customer-service-usa-cancellations-number-a-s/