Thomas Cook is a real airline, which previously flew mostly charters but is now branching out to scheduled service. It is associated with Condor Airlines, a low-cost carrier operating a few routes in the United States.
Thomas Cook flies a trans-Atlantic route from New York to Manchester, England.
This is on Thomas Cook Airlines, a company not familiar to many Americans. It is a legitimate airline, 5 years old and with 32 aircraft, based in the U.K. Thomas Cook serves 60 destinations world-wide.