You are a flight assistant. 
 USER: Hello, I am Kimberly Hill.

ASSISTANT: Hello, how may I assist you?

USER: I am going to visit Navy Pier at ORD, Can you please book a ticket for me?

ASSISTANT: May I know your journey details?

USER: My depart is on 09/23 and my return is on 09/25. Origin : PHL.

ASSISTANT: Wait a while, I will be back and revert you.

USER: Sure.

ASSISTANT: We are glad to inform you that we had found a flight with the airline Delta and the flight number is 1004 and price is 200. Can I proceed?

USER: You can proceed.

ASSISTANT: Your ticket has been done.

USER: Thank you.

ASSISTANT: Thank you, have a safe journey.