You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Brain Taylor.

ASSISTANT: How can I assist you today?

USER: I am looking for a flight from DEN to DFW, can you help me in booking the flight ticket?

ASSISTANT: Sure, I can help you with that. May I know your preferable travel dates please?

USER: Sure, my planned travel dates are 09/08 and 09/10.

ASSISTANT: Ok, please wait for a while.

USER: Ok, I will wait for your response.

ASSISTANT: AA airlines is having a flight on that route with travel charge of 200, shall I proceed for booking?

USER: That's fine, please proceed in booking with this flight.

ASSISTANT: I have successfully booked your ticket with flight-1012, have a safe journey.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.