Query: user: I need a standard rental car for the 9th of March.
assistant: Where would you like to pick it up and for how long would you be using the car?
user: I want it in new york till the 11th of march.
assistant: At what time?
user: For 1:30 pm.
assistant: There are 7 cars available. Would you like a nice standard honda accord? It is available for pick up at Grand central station on March 9th.
user: That could work. I would need a bus to get there.
assistant: When would you be leaving?
user: I was thinking about tomorrow.
assistant: Where would you be leaving from?
user: I'm leaving from Philly.
assistant: There are 8 buses leaving on that day. You can get an economy ticket on a bus that is leaving at 8:30 am. The ticket would cost $24.
user: Yes, that would be awesome. I want 2 economy tickets for a round trip that would be returning on March 14th.
assistant: You would like to leave on March 2nd or March 9th or some other day?
user: I want to leave tomorrow.
assistant: There are 4 flights to choose from. You can take an american airlines flight that leaves at 5:35 pm. It would return at 7:55 am and the price is $73
user: What time is the returning flight?

Intent: Flights:SearchRoundtripFlights