Query: user: Hi,i need a help, I am interested to a short trip,For my onward trip, i can leave around 7 in the morning from Phoenix, AZ
assistant: Sure, Please tell me more details, When do you want the return flight to leave? and when you coming back?
user: I plan to leave around morning 3:30 morning for the return flight and i need to get back on next Wednesday
assistant: Do you have any preferred airlines?
user: Yes, I prefer American Airlines
assistant: When do you plan to leave and where are you going to visit?
user: I am goint to Chicago On Sunday this week, i can leave around quarter to 1 in the afternoon

Intent: Flights:ReserveRoundtripFlights