Query: user: I need flight tickets for a short trip. The return flight needs to leave at 3:15 in the afternoon.
assistant: Where are you departing from, where are you going, and when are returning?
user: I am leaving from San Francisco, going to Portland and returning on the 7th of March.
assistant: What airline do you prefer?
user: I would like Southwest Airlines.
assistant: What date and time do you want to depart?
user: I want to depart at 08:15 on March 3rd.
assistant: I have 1 ticket in Economy class departing from San Francisco to Portland on Southwest Airlines. The onward flight leaves the day after tomorrow at 8:15 am and the return flight leaves at 3:15 pm next Thursday. Does that work for you?
user: Yes, that works for me.

Intent: Flights:ReserveRoundtripFlights