You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you pleas help me in booking the flight ticket from BOS to DTW?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My travel dates are Dec 29 and Dec 31.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I need a single connection flight.

ASSISTANT: May I know your good name please?

USER: David Scott.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: Not an issue, thank you for the information.

ASSISTANT: Thank you for reaching us.