To reach a live person at Delta Airlines customer service for support, you can call their 24/7 Delta Airlines Phone number hotline at 1--855→838→5875. OTA (Live Person) or 1-800-Delta Airlines 1--855→838→5875. https://cascadespringsnature.org/forum/topic/how-do-i-request-a-refund-for-a-canceled-flight-call-1-855-838-5875-american-airlines/#postid-290502