https://pressbooks.pub/culturallynamechange/chapter/delta-airlines-name-change-policy-quick-steps-for-modifying-your-booking/
https://pressbooks.pub/ushistory1/chapter/what-are-the-rules-for-name-changes-on-delta-airlines/
https://pressbooks.pub/culturallynamechange/chapter/dlupdates-can-you-change-the-name-on-a-delta-ticket/
https://pressbooks.pub/ushistory1/chapter/frontier-name-change-policy-what-passengers-must-know
https://pressbooks.pub/culturallynamechange/part/frontier-name-change-policy/