Query: user: I need to rent a car that I can pick up from London.
assistant: What date would you like to start the rental?
user: I need it starting on the 8th of March. And I want it to be medium-sized.
assistant: And what time would you like to pick it up? Also, until what date will you need the car?
user: I want to pick it up at 5 pm, and I will be using it until March 11th.
assistant: There are 5 cars which suit your preferences. There's a nice Standard Accord that can be picked up at Gatwick International Airport on March 8th.
user: What else is available?
assistant: There's a nice Standard Altima that can be picked up at Heathrow International Airport on March 8th.
user: What else is there?
assistant: There's a nice Standard Cruze that can be picked up at Heathrow International Airport on March 8th.
user: And what's the cost all together?
assistant: It's is $102 all together.
user: I like the sound of that.
assistant: Do you need me to do anything else?
user: Yeah, please book that car.

Intent: RentalCars:ReserveCar