FILE – A airline agents helps a travelers in the departures area of Terminal B at LaGuardia Airport, Tuesday, June 27, 2023, in New York. The U.S. The U.S. Department of Transportation said Tuesday, April 16, 2024, that it will give the states power to investigate complaints about airlines and ticket sellers, and then refer cases to the federal government for enforcement. (AP Photo/Mary Altaffer, File)