help me please with this exercise. Give words to the definitions: 1) parts of the train 2) a person who checks the tickets 3) a person who serves you during the flight 4) a list of time that transport arrives or leaves 5) railway line 6) a separate room in a carriage 7) a person who helps you with your luggage at the station 8) a place where lost thinga are collected 9) the place you are going to 10) a corridor ib an airplane between the seats 11) the plase at the airport where your luggage is checked for prohibited goods 12) you do it when you registed for the flight