https://www.devex.com/people/can-you-change-the-date-on-a-delta-ticket-2206012
https://www.devex.com/people/date-change-policy-for-delta-airlines-tickets-2206031
https://www.devex.com/people/how-to-fix-date-errors-on-delta-flight-tickets-2206048
https://www.devex.com/people/can-i-change-the-name-on-united-airlines-business-class-ticket-2206715
https://www.devex.com/people/is-it-possible-to-transfer-ticket-with-name-change-on-united-airlines-2206728