(At the check­ -in counter) 1: Excuse me, sir. Should I check in here for Flight UA268 to Chicago? 2: Yes, madam. May I see your passport and flight ticket, please? 1: Sure. ____ 2: Very good, Mrs. Chen. ____ 1: I prefer an aisle seat. 2: OK. Do you have any luggage to check in? 1: Yes. ____ How much luggage can I carry on? 2: Only one. 1: Then I need to check in my luggage. 2: OK. Would you please put it on the scale? 1: Of course. ____ 2: No. That's all. Here is your luggage claim tag, boarding pass and passport. 1: Excuse me. ____ 2: At 5: 00 p . m. And you will board from Gate 2. 1: Thank you. 2: My pleasure.