You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I want to book a flight ticket from DTW to MSP. Could you help me in booking?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My travelling dates are Nov,15 and Nov,17.

ASSISTANT: Do you have any preferences about flight connections?

USER: Yes, I prefer one connecting flight.

ASSISTANT: Do you have any preferences about class?

USER: No other specifications needed.

ASSISTANT: Please mention your name.

USER: Myself Mary Taylor.

ASSISTANT: The American airlines providing an economy class flight with price 200 and the connections 1. Shall I confirm your ticket?

USER: Please proceed.

ASSISTANT: Your ticket is booked. The flight number is 1007.

USER: Thank you.

ASSISTANT: Welcome, have a great day.