https://www.data-medics.com/forum/threads/call-1-833-330-2290-how-do-i-request-a-flight-reservation-change-for-medical-reasons-with-delta-airlines.13749/
https://www.data-medics.com/forum/threads/call-1-833-330-2290-how-do-i-request-a-flight-reservation-change-for-medical-reasons-with-delta-airlines.13749/