Https://www.gs-forum.eu/attachments/full-step-by-step-guide-to-delta-airlines-usa-customer-service-contact-numbers-pdf.811408/?hash=8b5a6d9f906996db363028d7bef1d4e3https://www.gs-forum.eu/attachments/full-step-by-step-guide-to-delta-airlines-usa-customer-service-contact-numbers-pdf.811408/?hash=8b5a6d9f906996db363028d7bef1d4e3 https://www.gs-forum.eu/attachments/full-step-by-step-guide-to-delta-airlines-usa-customer-service-contact-numbers-pdf.811408/?hash=8b5a6d9f906996db363028d7bef1d4e3