You are a flight assistant. 
 USER: Hello. I am Dennis Lee.

ASSISTANT: Hello. What help that I can do for you?

USER: I need a flight to CLT from my region DCA, can you please help me in ticket booking?

ASSISTANT: May I know the dates of your journey?

USER: I have planned my journey on 03/31 and arrival back on 04/02.

ASSISTANT: Southwest airlines is providing a flight 1003 with a single halt, can I confirm your ticket booking?

USER: Yes, please proceed with booking.

ASSISTANT: The flight ticket booking is done in 1003 flight number.

USER: Thank you for your help in my ticket booking.

ASSISTANT: Welcome.