Domains: RentalCars_23, Buses_23, Flights_23

user: Find rental car in New York City to pick up at 3 o"clock in the afternoon.

system: Which date?

user: March 5th.

system: Drop off date?

user: March 7th, make it a standard.

system: There's a standard Honda Accord at Grand Central Station available March 5th.

user: Good.

system: Anything else?

user: Is there a bus there?

system: Departure city and date?

user: Washington on the 1st of this month.

system: There's an economy seat leaving 8:10 am for $37.

user: Anything else? Look up economy extra for 4 people.

system: There's an economy extra leaving 8:20 am for $42.

user: Good. Get a round trip flight there, on the 1st of this month with Southwest Airlines.

system: Returning March 7th?

user: No, the 10th of March.

system: I found 1 Southwest Airlines flight leaving 4:50 pm and returning 5:15 pm for $88.

user: Ok. That's all I needed.

system: Have a nice day.