You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you now?

USER: Book a direct flight, to reach Orlando, MCO from Dallas, DFW, within fare 5000. Can you help me in booking?

ASSISTANT: Sure, I can help you.

USER: Thank you.

ASSISTANT: May I know your travel dates?

USER: I want to start from Dallas on 10/12, and return to Dallas on 10/14.

ASSISTANT: May I know your name?

USER: Jessica Perez, is my name.

ASSISTANT: AA airline plane is available for you with an airfare of 200, shall I proceed for booking?

USER: Ok, Proceed for booking.

ASSISTANT: Ok, your booking has been confirmed with 1019 flight.

USER: Thanks for your helping hand.

ASSISTANT: Thanks a lot for reaching us, have a nice day.