When he came out, she had gone. For the rest of the flight he did not go near the back of the plane, and on arrival in Paris he hurried through the airport, and into a taxi to his hotel. It was one of those old Parisian hotels where mechanical things often went wrong. One of the two elevators was out of order and the phone in his room did not work. He unpacked, then went to the window and looked out over the rooftops.