Query: user: I want to travel to ATL please help me to find one-way flights
assistant: You will be leaving from where?
user: I want to leave from Toronto, Canada
assistant: When you leave?
user: On the 7th I plan
assistant: I have for you 3 option.First is with Air Canada.Outbound leave at 4:40 pm with 1 stop.Cost is $217
user: You can find something else?
assistant: I found for you with American Airlines .The outbound flight leaves at 5:55 am with 1 stop.That cost $192
user: Sounds great .
assistant: You want to buy ticket?
user: No, I do not want.Search for round flight for three people

Intent: Flights:SearchRoundtripFlights