Query: user: I need a flight for Saturday this week.
assistant: What are your travel details?
user: I'm leaving from London, traveling to Atlanta, and I want to return on March 12th.
assistant: I've found 3 possible flights; there is an American Airlines flight for $376 that leaves at 8:35 pm and returns at 3:30 pm.
user: I am the only one traveling, are there any other flights?
assistant: I've found 2 other flights; Delta Airlines for $304, outbound at 3:35 pm and returning 5:30 pm.
user: What airport does it leave from? Are there zero stops?
assistant: This flight leaves from Heathrow International Airport, with 1 stop.
user: I'm leaving today - are there any other flights available?
assistant: I found 1 United Airlines flight outbound at 10:25 pm and returning at 10:30 am for $237
user: That sounds good. It's a short trip, can you help me get the tickets?

Intent: Flights:ReserveRoundtripFlights