You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want the flight ticket, from TX-IAH to TX-DFW.Can you please help me for booking the flight ticket?

ASSISTANT: May I know your travel dates?

USER: The travelling dates are from 06/12 to 06/14.

ASSISTANT: Flight-1021 with Hawaiian airlines is available, shall I proceed for booking?

USER: May I know the price?

ASSISTANT: May I know your name please? The price is 100.

USER: Sure, my name is Lisa Miller. That's fine, proceed with my booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thanks for reaching us.