You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you today?

USER: I am Gregory White. I want to attend Steampunk festivals at Chicago with the fare of 500. Can you please help me in booking a flight ticket?

ASSISTANT: Sure, can you provide me your trip dates please?

USER: I would like to leave on 12/29. And I intend to return on 12/31.

ASSISTANT: Ok, let me know your journey locations?

USER: Source is from Dallas & Fort Worth, DFW. Destination code is ORD.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: We found UA airline with single connection under fare of 100 and number 1007. Shall I proceed for booking?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been confirmed. Thanks for choosing us.

USER: Thanks for your assistance.