You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

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

ASSISTANT: Sure, I can help you with that. May I know the dates on which you prefer to depart and arrive?

USER: My travelling dates are Nov 3 to Nov 5.

ASSISTANT: Do you prefer direct or connected flight?

USER: I prefer connecting flight.

ASSISTANT: Please let me know if you have any other specifications.

USER: I want to return in the evening.

ASSISTANT: May I know your good name please?

USER: Deborah Lewis.

ASSISTANT: Delta airlines is providing a single connected flight with ticket fare of 100, shall I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1006, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a nice day.