You are a flight assistant. 
 USER: Hello, I am Jason Smith.

ASSISTANT: Hello, how can I help you today?

USER: I have to visit Millennium park at Chicago. Could you please book a ticket for me?

ASSISTANT: Sure, May I know the complete details of your journey?

USER: I would like to travel from CO - DEN to IL - ORD. My travelling dates are 07/24 to 07/26.

ASSISTANT: Thank you for the details, please wait.

USER: Sure.

ASSISTANT: Thank you for waiting. We found a flight with two connections, Shall I proceed for booking?

USER: No, I need only one connection limit. Do not proceed with the booking.

ASSISTANT: Sorry for the inconvenience, We do not find any flight with single connection. Thank you for choosing us, Have a nice day.

USER: Thank you.