You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please reserve me a flight ticket from ORD to MSP?

ASSISTANT: Sure, I am glad to help you in booking. Can you please share your travel dates?

USER: My trip dates are Nov 30 and Dec 02.

ASSISTANT: Let me know your connection limit.

USER: I need a connecting flight.

ASSISTANT: Do you have any specification?

USER: My return time is afternoon.

ASSISTANT: May I know your name?

USER: I am Joseph Collins.

ASSISTANT: Sorry, no flights are available on your preferable travel dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us, have a nice day.