Query: user: Can you help me find a flight ticket? I do not have a seat preference.
assistant: Yes I can help you with that. What day are you needing to travel?
user: I will need something for the 9th.
assistant: Where will you be leaving from and where will you be going?
user: I would like a flight leaving from the LAX and going to Portland, OR.
assistant: I have a flight available with Alaska Airlines that will depart at 7:25 am with 0 stops. The price of this ticket is $142, would that work for you?
user: Do you have anything else available by chance?
assistant: I also have a flight available the American Airlines that will depart at 11:15 pm with 0 stops. The cost of this flight is $126, will that work for you?
user: Can you tell me the airports I will be departing from and arriving to?
assistant: Yes, you will be leaving from the LAX International Airport and arriving to the PDX International Airport.
user: That is not going to work for me, do you have anything else?
assistant: How about a Delta Airlines? The have a ticket available for $151 with 0 stops that will depart at 9:50 pm.
user: Okay, are the tickets round trip and I will be needing three please.
assistant: Okay, what will be your return date?
user: I will need to be back on the 11th.

Intent: Flights:SearchRoundtripFlights