https://www.mmo-core.de/thread/569932-general-list-of-delta-airlines%E2%84%A2%EF%B8%8F-contact%C2%AE%EF%B8%8F-numbers-in-the-usa%C2%AE%EF%B8%8F-24-7-liveperson/ https://www.mmo-core.de/thread/569948-general-list-of-united-airlines%E2%84%A2%EF%B8%8F-contact%C2%AE%EF%B8%8F-numbers-in-the-usa%C2%AE%EF%B8%8F-24-7-liveperson/ https://www.mmo-core.de/thread/569953-general-list-of-american-airlines%E2%84%A2%EF%B8%8F-contact%C2%AE%EF%B8%8F-numbers-in-the-usa%C2%AE%EF%B8%8F-24-7-livepers/ https://www.mmo-core.de/thread/569978-complete-list-of-air-france-customer-service%C2%AE-contact-numbers-in-usa-full-detail/