You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I am looking for a flight from IAD to CLT, can you please help me in booking?

ASSISTANT: Sure, let me know your planned dates.

USER: My travelling dates are June 16 and June 18.

ASSISTANT: What you prefer an economy class or a business class?

USER: I am fine with any class.

ASSISTANT: How many connections you prefer in your journey?

USER: I need a connecting flight.

ASSISTANT: May I know your name please?

USER: Sure, my name is Raymond King.

ASSISTANT: Do you have any other concerns?

USER: No, thanks for asking.

ASSISTANT: We found a connecting flight with a fare of 200 in 1011 Hawaiian Airlines, shall I proceed?

USER: Please proceed for further.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.