You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER:  I want to visit DC-IAD to meet my father-in-law from CO-DEN. Can you book a connecting flight?

ASSISTANT: Sure, could you help me with your trip dates?

USER: My trip dates are 10/23 and 10/25.

ASSISTANT: We found a flight of delta airline, flight number as 1002 with the fare of 200. Shall I proceed?

USER: Ok, you can proceed.

ASSISTANT: May I know your name?

USER: I am Carol Carter.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for booking.

ASSISTANT: Thank you.