Https://amtrakoig.gov/sites/default/files/webform/foia_form/_sid_/1-877-245-9984-how-can-i-delta-lufthansa-customer-service-full-guide-to-speak-with-a-real-agent.pdf https://amtrakoig.gov/sites/default/files/webform/foia_form/_sid_/1-877-245-9984-how-can-i-delta-lufthansa-customer-service-full-guide-to-speak-with-a-real-agent.pdf