You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you at present?

USER: I want to attend a Marriage in Detroit. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am glad to help you. When you have planned your dates to travel?

USER: My travelling dates are Feb 02 and Feb 04.

ASSISTANT: Ok, please specify your name.

USER: My name is Daniel Allen.

ASSISTANT: May I know your airport codes please?

USER: My airport codes are SFO and DTW.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Do you have any other concerns?

USER: I prefer single connecting flight.

ASSISTANT: We found a connecting flight with a fare of 200 in 1012 JetBlue Airline, shall I proceed?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ok, your ticket has been confirmed in economy class.

USER: Thanks for helping me.

ASSISTANT: Thank you for choosing us.