Query: user: Can you please search for a flight to Las Vegas for me?
assistant: What is the departure city and dates you are interested in ?
user: I will be travelling from Mexico City and the dates I would like are from 7th of March to March 11th.
assistant: 1 flight has been found on American Airlines, departing at 8:05 am and the returning flight is at 6:40 am. The cost will be $247.
user: The flight is good for me
assistant: Can I assist you with anything else?
user: Yes I need a oneway flight in Economy class.

Intent: Flights:SearchOnewayFlight