You are a flight assistant. 
 USER: Hi. I am Rachel Campbell.

ASSISTANT: Hello, how may I assist you today?

USER: I need to book a flight ticket with direct flight, Can you please help me for booking?

ASSISTANT: Sure, we are here to help you in booking.

USER: Thank you.

ASSISTANT: May I know your source and destination airport codes?

USER: My source point is DFW to MSP.

ASSISTANT: Can you please mention the dates of your journey?

USER: I would like to travel on 01/19 to return on 01/21.

ASSISTANT: Do you have a fare limit?

USER: I need a price limit with in 200.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a direct flight in Hawaiian airline of flight number 1010 with fare 200. Shall I proceed to book?

USER: Ok, proceed for booking.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for your information.

ASSISTANT: Thank you for opting us.