You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: My name is Nancy Roberts. I would like to travel from BOS to MSP, could you help me out?

ASSISTANT: Sure Nancy, I am here to help you. When would you like to travel?

USER: My preferable dates are from 12/20 to 12/22.

ASSISTANT: Ok, please be on hold.

USER: Ok.

ASSISTANT: There is a flight with UA airlines and the ticket fare is 200. Shall I proceed for booking?

USER: Please proceed with the booking.

ASSISTANT: Ok Nancy, your ticket is reserved with the flight-1020.

USER: Thank you for your help.

ASSISTANT: Thank you very much for approaching us.