Https://threadysetgo.com/forums/makers-gallery/1428-full-list-of-official-united-airlines-reservation-contact-numbers-in-the-usa-the-step-by-step-247-live-person-assistance-guide https://threadysetgo.com/forums/makers-gallery/1428-full-list-of-official-united-airlines-reservation-contact-numbers-in-the-usa-the-step-by-step-247-live-person-assistance-guide