Complete the text with these words or phrases.gate, boarding card, flight

Complete the text with these words or phrases.
gate, boarding card, flight attendants, through, get on, check-in desk, takes off, ticket, travelling, up
(1)_____by plane is simple. When you arrive at Heathrow Terminal 2, go(2)_____ escalator and go to the(3)_____.Show your(4)_____ to the check-in assistant, who gives you a(5)_____.
When they call your flight, go to the(6)_____and(7)_____ the plane. After the plane(8)_____, you can look(9)_____ window and relax. The(10)_____ serve drinks and a snack.