You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jonathan Scott.

ASSISTANT: Jonathan Scott. How can I help you?

USER: Could you please book a flight ticket to JFK from DTW?

ASSISTANT: May I know your travel dates please?

USER: My travel dates are Sept 13 and Sept 15.

ASSISTANT: Do you have any class preference?

USER: I don't have any class preference.

ASSISTANT: Do you have any airline preference?

USER: No.

ASSISTANT: Is there any time concern?

USER: I want to return in the afternoon.

ASSISTANT: Is there any connection limit? Are there any other preferences?

USER: I need a way station in between my journey.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform that there are no flights on your route with your requirements?

USER: No problem, thank you for your information.

ASSISTANT: Thank you for approaching us.