Domains: RentalCars_13, Buses_23, Flights_13

user: I have to book a rental car until the 7th of March. I'd like to pick it up in Philadelphia at 1 in the afternoon.

system: On what date?

user: On March 4th and I'd like an intermediate vehicle.

system: I have 8 possible vehicles for you. There's a standard Civic which can be picked up from PHL International Airport on March 4th.

user: What's the price?

system: That would come to $96 total.

user: What else do you have?

system: I have a standard Cruze on March 4th which is also available at PHL International Airport.

user: Do you have anything compact available at half past 4 in the evening?

system: Yes, I have a compact Cooper which can be picked up March 4th from Intercity Terminal.

user: I like that one.

system: Would you like to reserve it?

user: I'm going to wait just a bit. Would you mind helping me with a bus?

system: Leaving from where?

user: New York City.

system: What date were you looking at?

user: On this Sunday.

system: I've found 7 buses. There's one with a 7:40 AM departure for $24 economy.

user: What are the bus stations involved?

system: It travels from Port Authority Station to Intercity Terminal.

user: What else is there?

system: There's another bus that leaves at 8 AM for a $19 economy fare.

user: Okay, great. I'm also looking for a roundtrip flight.

system: Are you planning on a March 7th return?

user: No, March 13th, but I'm not sure about my plans so I need a refundable flight.

system: Leaving March 4th?

user: Leaving this Sunday.

system: I've found 2 possible flights for you. Delta Airlines has a 3:30 PM flight for $57 which returns at 7:25 PM.

user: What's the arrival time of the onward flight?

system: It's 4:21 PM.

user: That should do it.

system: Do you care to make reservations?

user: Not right now.

system: Thank you very much.