You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am looking for a direct flight, could you please help me with finding a flight ticket with my requirement?

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: My source airport code is AUS and destination airport code is DFW.

ASSISTANT: Can you please share your planned travel dates?

USER: I would like to depart on Feb 5th and return on Feb 7th.

ASSISTANT: Do you have any other requirements?

USER: Make sure that my depart time must be afternoon.

ASSISTANT: May I know your name please?

USER: I am Jason Perez.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, take your time.

ASSISTANT: We found a JetBlue airline, flight number: 1017, price: 200, it is a direct flight.

USER: Please confirm the booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you, have a good day.