https://devsupport.flightsimulator.com/t/full-list-of-united-airline-customer-service-numbers-in-the-usa-24-7-liveperson-the-ultimate-detailed/15525
https://devsupport.flightsimulator.com/t/complete-list-of-official-delta-airline-customer-care-contact-numbers-in-the-usa-full-detailed-guide/15535
https://devsupport.flightsimulator.com/t/quick-list-of-official-american-airline-customer-service-usa-contact-number-2026/15543