He said he was asked to switch seats with a woman . He had been sitting next to unaccompanied children on board . Australian airline said it is investigating the incident . `` Airlines are acting as custodians of unaccompanied minors , and therefore have the ability to move them to a different seat if they believe that is in their best interest , '' a U.S. Department of Transportation spokesman told CNN . ` No major U.S. carriers have such a policy .
He said he was asked to switch seats with a woman . He had been sitting next to unaccompanied children on board . Australian airline said it is investigating the incident . No major U.S. carriers have such a policy .