Query: user: I need some airline tickets for a quick trip
assistant: Of course. What day are you coming back?
user: I'll return on the 12th.
assistant: Ok, and I need the city you're leaving from and the times for your flights.
user: I'll be leaving from SFO at around 06:45, with the return flight around 4:30 pm.
assistant: Any preferred airline? Perhaps Air France, Delta Airlines, or anything else? What day will you be leaving?
user: I prefer Delta Airlines, leaving later today.

Intent: Flights:ReserveRoundtripFlights