You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Carol Robinson.

ASSISTANT: How can I assist you at this moment?

USER: I want to book a ticket from ORD to DTW to meet my parents.

ASSISTANT: Sure, I will help you with that. Can I have your travel dates please?

USER: I am departing on 10/01 and return on 10/03.

ASSISTANT: Please be hold on for a moment.

USER: Please proceed for booking. If the connection limit is 1.

ASSISTANT: Sorry Carol, no flight is available to you on your dates.

USER: That's ok, thank you for your information.

ASSISTANT: My pleasure. Thank you for choosing us, have a good day.