Complete the text with these words or phrases. gate, boarding card, flight attendants, through, get on, check-in desk, takes off, ticket, travelling, up ( plane is simple. when you arrive at heathrow terminal 2, go( escalator and go to the( your( to the check-in assistant, who gives you a( when they call your flight, go to the(( the plane. after the plane( you can look( window and relax. the( serve drinks and a snack.