Joon's CEO Jean-Michel Mathieu (L) and Air France's General Director Franck Terner looks on on September 25, 2017 in Paris during the launching of Joon, the new lower-cost airline subsidiary of Air France. Joon's activities will start on December 1, 2017 with intra-Europe flights and long haul flights during summer 2018. / AFP PHOTO / Lionel BONAVENTURE