You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I best serve you today?

USER: Can you please help me to book a flight from DEN to DTW?

ASSISTANT: May I know your travel dates?

USER: My travel dates Nov 28 to 30.

ASSISTANT: Do you prefer connecting flight?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May, I know your good name?

USER: I am Scott Carter.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.