You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Jason Brown here. I want to take part in Boston marathon, could you book my ticket from DTW to BOS?

ASSISTANT: Sure, let me know your trip dates please?

USER: My itinerary dates are Apr 15 and Apr 17.

ASSISTANT: Ok, is there any class preference?

USER: I prefer economy class.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Delta Airlines is providing connecting flight with the ticket fare of 100 and depart time is 5:00 AM, arrival time is 13:00 PM. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed by flight number 1008 and an economy class.

USER: Thank you.

ASSISTANT: Thanks for choosing us.