You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: Sure, we are here to help you.

ASSISTANT: How can I help you today?

USER: I want to book a flight ticket.

ASSISTANT: Sure, May I know your name and travelling details?

USER: My travelling dates are from 12/02 to 12/04. I am Jerry brown.

ASSISTANT: May I know your journey locations?

USER: My airport codes are from DC-DCA to TX-IAH.

ASSISTANT: Thank you for the details. Please wait a moment, I will check and notify you.

USER: Ok.

ASSISTANT: Thank you for waiting, We found Hawaiian Airline with number 1008 and price is 200 matched your requirements. Shall I proceed for booking?

USER: You can proceed with this airline.

ASSISTANT: Ok, Your booking has been done.

USER: Thank you for your response.

ASSISTANT: Thank you for opting us, Have a nice journey.