Ken: I'd like a round-trip ticket to Los Angeles.
Clerk: What time? Buses leave every hour on the hour.
Ken: Well, it's 2:30 now. I'll take one for the 3:00.
Clerk: That'll be $90.
Ken: Do you have a student discount?
Clerk: $70 with a valid student ID.
Ken: Here's my student ID.
Clerk: Cash or charge?
Ken: Visa. Here you go.
Clerk: Sign here. The bus leaves from gate 111, downstairs.
Ken: Oh, is there a bathroom on the bus?
Clerk: Yes, there is.
Ken: And what time does the bus arrive in Los Angeles?
Clerk: 11 p.m.
Ken: Thanks a lot.
Clerk: You're welcome. Have a good trip.