https://airlinehelpdesksupport.zohodesk.com/portal/en/kb/articles/american-namechange-is-it-free-to-change-flights-on-american-airlines-30-8-2025
https://airlinehelpdesksupport.zohodesk.com/portal/en/kb/articles/american-editpassenger-can-i-change-my-flight-with-american-airlines-30-8-2025
https://airlinehelpdesksupport.zohodesk.com/portal/en/kb/articles/american-updatename-how-much-is-the-fee-to-change-a-flight-on-united-airlines-30-8-2025
https://airlinehelpdesksupport.zohodesk.com/portal/en/kb/articles/united-namechange-can-i-make-changes-to-my-united-airlines-flight-30-8-2025
https://airlinehelpdesksupport.zohodesk.com/portal/en/kb/articles/united-correctname-can-i-change-a-flight-i-already-booked-with-united-30-8-2025