4 Sales agent: Do you have a specific date in mind for your flight to Houston?
Chris: Yes, I need a flight to Houston.
Sales agent: Certainly, sir. When do you plan to travel?
5 Laura: What time does the party start?
Paul: It starts at eight, so we shouldn't be late.
Laura: That's good, but we should be there by nine.
6 Paul: You shouldn't smoke. It's not good for you!
Maggie: I know, Dad. Don't worry. I won't.
