https://community.openconversational.ai/t/full-list-of-united-airlines-customer-contact-numbers-in-usa-a-ultimate-step-by-step-guide/19780/1 https://community.openconversational.ai/t/complete-list-of-official-american-airlines-customer-contact-numbers-in-the-usa-full-detailed-guide/19797 https://community.openconversational.ai/t/american-airlines-customer-service-usa-contact-numbers-a-complete-detailed-guide/19795