You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you  please book a flight ticket from DTW to BOS?

ASSISTANT: Sure, I am here to help you out. May I know your travel dates please?

USER: Thank you. I have  planned my travel  dates as  Aug 31 and Sept 02.

ASSISTANT: Can you please share your connection limit?

USER: I am  looking for single connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I would like to depart in afternoon time so  please check with that.

ASSISTANT: May I know your name please?

USER: Sure, myself Janet Robinson.

ASSISTANT: Janet Robinson, there are no flights available in your route.

USER: Oh! It is sad to hear. Anyway, thank you for your time.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.