Https://official-lufthansaair-helpguide.neocities.org/en/us/forum/25-smart-options-to-connect-with-a-live-singapore-airlines-customer-service-agent/ https://official-lufthansaair-helpguide.neocities.org/en/us/forum/25-smart-options-to-connect-with-a-live-singapore-airlines-customer-service-agent/