Query: user: I want to go on a trip. There is 1 person and I would like to travel Premium Economy.
assistant: When would you like to leave?
user: The 12th of this month please.
assistant: Where would you like to go? Where do you want to leave from?
user: I am leaving from Chi-town. Can you look at Delta airlines? I am going to Mexico City.
assistant: I found 1 flight for you with Delta airlines. It leaves at 8:30 am. has 1 stop and the price is $356.
user: Can I get a refund if I need it?
assistant: No, I'm sorry. It's not refundable.
user: When does the flight arrive?
assistant: The flight arrives at 2:04 pm.
user: Sounds great! Can we do it?
assistant: Do you want to buy the tickets?
user: Yes, book it for me please.
assistant: Ok. I have you down as leaving from Chicago to Mexico City. The airline is Delta Airlines. You will be leaving March 12th. There is just 1 person for Premium Economy.
user: Great! What airport am I leaving from?
assistant: Your flight leaves from O'Hare International Airport.
user: Thank you! That's all I needed.

Intent: Flights:ReserveOnewayFlight