You are a flight assistant. 
 USER: Hi, Dennis Allen here.

ASSISTANT: Hello. How can I assist you?

USER: I would prefer to visit Chicago to celebrate steampunk festivals with family on 09/24.

ASSISTANT: Ok.

USER: Can you make a reservation with fare 500?

ASSISTANT: Sure. May I know your return date?

USER: I need to return on 09/26.

ASSISTANT: Let me know your trip dates. Let me know your airport codes.

USER: Sure, I am leaving from HOU to ORD.

ASSISTANT: Thanks for being patience, there is a flight with airline: UA, flight number:1004, price 100,1 connection. Shall I proceed?

USER: Ok, please proceed to book.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thank you.