You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Brian Hill here.

ASSISTANT: How may I assist you?

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

ASSISTANT: Sure, I will help you. Could you please share your planned journey dates?

USER: My travelling dates are 05/21 and 05/23.

ASSISTANT: May I know, from where would you like to take off?

USER: My airport codes are DEN and BOS.

ASSISTANT: Do you have any other specifications?

USER: I would prefer single halt.

ASSISTANT: Give me a minute, please.

USER: Ok, I will wait.

ASSISTANT: Thank you for your time, there is a flight available with price 700 and single connection in Spirit airline. May I confirm your ticket in business class?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket has been confirmed with flight number 1016.

USER: Thanks for helping me.

ASSISTANT: Thank you for choosing us.