Query: user: Hi there, could you help me search for a rental car?
assistant: Sure, where and what time do you intend to pick the car up, and when do you need to use the car until?
user: I will be picking up the car in Philadelphia at around 6:30 pm and using the car till the 4th.
assistant: Sure, when will you be renting the car from?
user: I will need the car today.

Intent: RentalCars:GetCarsAvailable