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

ASSISTANT: Hello,. What kind of help do you need from us?

USER: Can you please help me with booking a flight ticket from Los Angeles with price under 200?

ASSISTANT:  Sure, I can help you in that.

USER: Thank you.

ASSISTANT: Can you mention Los Angeles airport code and destination point?

USER: Sure, airport codes are LAX-DFW.

ASSISTANT: Ok, Let me know your preferred travelling dates of journey.

USER: Travelling dates are 06/05 and 06/07.

ASSISTANT: Ok, please wait. Let me search you the flight.

USER: Ok.

ASSISTANT:  Thanks for waiting. We found a direct flight that matches your preferred dates. Would you like me to proceed further?

USER: Sure, you can proceed with booking.

ASSISTANT: Ok, Your ticket has been confirmed. Details are: flight- 1002, airline- UA, fare- 200.

USER: Thanks for the help.

ASSISTANT: Thanks for visiting our airlines, have a safe journey!.