You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Virginia Collins. I want to book a ticket from DTW to CLT. Can you please help me out?

ASSISTANT: Sure, could you please provide your travelling dates?

USER: My travelling dates are 09/03 and return on 09/05.

ASSISTANT: Ok, may I know your connection preference to proceed further?

USER: Make sure my connection limit is 0.

ASSISTANT: Sorry to say, I did not find any flights on your dates.

USER: That's fine. Thank you for your help.

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