https://pressbooks.pub/travelplan/chapter/changing-a-passenger-name-on-united-airlines-a-complete-guide/
https://intercom.help/air-helpline/en/articles/11006235
https://intercom.help/air-helpline/en/articles/11006237
https://pressbooks.pub/atravelplan/chapter/united-airlines-name-change-procedure-quick-and-easy-guide-for-travelers/
https://pressbooks.pub/onlinetravelagent/chapter/name-change-on-united-airlines-flight-heres-the-easiest-way/