You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

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

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

USER: I will start my journey on Mar 18 and return back on Mar 20.

ASSISTANT: Do you need break in between your journey?

USER: I need a connecting flight.

ASSISTANT: Please let me know if you have any other specifications.

USER: No, thanks for asking.

ASSISTANT: May I know your good name please?

USER: My name is Karen Thomas.

ASSISTANT: UA is providing a single connected flight with ticket fare of 200, shall I proceed for booking?

USER: Please proceed.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1027, have a safe journey.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.