Query: user: I want to get some plant tickets.
assistant: Sure, when will you leave?
user: Next monday is my departure date.
assistant: Where do you want to go? Where will you depart?
user: I'm leaving Las Vegas and visiting Chicago, the windy city.
assistant: You have 2 possible choices. American Airlines might be best for you. You'll depart at 10:55 am. It has 1 stop. Your total there will be $237
user: What else is there?
assistant: Try United Airlines. It leaves at 1:40 pm. It has a stop but costs more: $267.
user: When does the flight leave? Which airport?
assistant: O'Hare International Airport. It arrives at 10:07 pm.
user: I will take it. It's economy right?
assistant: When will you come back?
user: I will return 6th of March.
assistant: I found 1 option. United Airlines leaves at 1:40 pm, returns (departs) at 10:35 am. Total cost is $273.
user: That is just the way I want to go.
assistant: How about I get your tickets?
user: Yes, do that. I have three people who need them.
assistant: Great, let's confirm: Board United Airlines next Monday at 1:40 pm.You'll originally depart from Las Vegas, going to Chicago. You'll return next wednesday at 10:35 am. Your 3 tickets are on economy.
user: Wrong, I only need two tickets.
assistant: Ok, to be clear, your flight next Monday needs 2 tickets.
user: That's it - 2.
assistant: Your plans are set in concrete now.
user: When does my onward flight get there? What airport will I need to board from?

Intent: Flights:ReserveRoundtripFlights