https://www.signlanguageforum.com/bsl/topic/6831-dial-call-now-talk-to-someone-at-delta-airlines%C2%AE%EF%B8%8F-usa-contact-numbers-complete-2025-guide/
https://forums.x-pilot.com/forums/topic/42678-%C2%A0travelocity%C2%A0%C2%AE%EF%B8%8F-customer-service%E2%84%A2%EF%B8%8F-usa-contact-numbers-a-step-by-step-guide/