Turkish Airlines Washington DC Office
https://www.pcmasters.de/forum/threads/help-desk-1-855-738-4113can-you-transfer-a-delta-ticket-to-another-person.156722/
https://www.pcmasters.de/forum/threads/help-desk-1-855-738-4113can-you-transfer-a-delta-ticket-to-another-person.156722/