Query: user: I'm looking for round-trip flights.
assistant: Please tell me your origin city, as well as your departure and return dates.
user: I wish to leave New York City on March 8th and return on 13th of this month.
assistant: What's your destination?
user: I'm going to Portland.
assistant: There's an outbound American Airlines flight leaving at 4:45 pm, with a 7:20 am return flight, at $337 per ticket.
user: Could you search for other available flights? I'm okay with any class.
assistant: Of the 2 suitable flights I found is the 2:35 pm outbound Delta Airlines flight with an 8:45 am return flight, at $323 per ticket.
user: What time does the onward flight land, and from which airport does it take off?
assistant: The onward flight arrives at 9:33 pm and takes off from JFK International Airport
user: That flight works for me. Please go ahead and purchase tickets for a group of 3.
assistant: Let me see if I got everything correctly: You'd like 3 Economy class tickets on the Delta Airlines flight from New York to Portland which departs on March 8th at 2:35 pm and returns on March 13th at 8:45 am.
user: No, sorry. My group has four people.

Intent: Flights:ReserveRoundtripFlights