https://community.articulate.com/discussions/review-360/how-to-change-passenger-name-on-american-ticket

Make direct contact with American customer service at +1-833-730-7587 (OTA)     or

+1-845-658-4259(OTA)  to change the passenger name on an American ticket. Complete

passenger name changes are generally not accepted by Americans. little adjustments or corrections, however, may be approved for a charge and with the necessary paperwork.