According to the FAA, airlines are required to provide passengers with disabilities many types of assistance, including wheelchair or other guided assistance to board, deplane, or connect to another flight; seating accommodation assistance that meets passengers' disability-related needs. My father, who has been diagnosed with the onset of dementia, was not allowed to board his flight from Monterrey, Mexico, to Dallas, Texas, in January 2024. After weeks of seeking a refund and spending hours on the phone with customer service agents, we were denied a refund.