Https://official-lufthansaair-helpguide.neocities.org/en/us/forum/delta-airlines-customer-service-11-reliable-ways-to-connect-via-phone-chat-or-email-the-complete-guide/ https://official-lufthansaair-helpguide.neocities.org/en/us/forum/delta-airlines-customer-service-11-reliable-ways-to-connect-via-phone-chat-or-email-the-complete-guide/