Https://intercom.help/namechange-3a094a/en/articles/11775730-how-to-change-the-last-name-on-an-allegiant-airlines-reservation-due-to-legal-name-change https://intercom.help/namechange-3a094a/en/articles/11775730-how-to-change-the-last-name-on-an-allegiant-airlines-reservation-due-to-legal-name-change