Https://amtrakoig.gov/sites/default/files/webform/foia_form/_sid_/1-877-245-9984-how-do-i-contact-delta-airlines-for-international-tickets.pdf https://amtrakoig.gov/sites/default/files/webform/foia_form/_sid_/1-877-245-9984-how-do-i-contact-delta-airlines-for-international-tickets.pdf