Fill in with: Travel       agency        flights         board        book        check-in        gate       boarding-card    steward        airport         luggage         destination         charter         abroad
 
Then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!