You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

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

ASSISTANT: Sure, I am here to help you with that. May I know your  planned travel dates, please?

USER: I want to travel on Dec 12 and return on Dec 14.

ASSISTANT: May I know your name please?

USER: I am Brandon Martinez.

ASSISTANT: Can you please provide your  preferable airport codes, please?

USER: My origin airport code is ATL and destination airport code is BOS.

ASSISTANT: Do you have any airline preferences?

USER: No.

ASSISTANT: Do you need a halt in between your journey?

USER: I would prefer single halt.

ASSISTANT: Do you have any class preferences?

USER: No.

ASSISTANT: I have found a flight- 1004 available in Hawaiian airline with a fare of  200. Shall I proceed?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your booking is confirmed in economy class.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us, have a safe journey.