You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,how may I help you?

USER: I need your help to book a ticket from NY-LGA to MA-BOS.

ASSISTANT: Sure,may I know the travelling dates please?

USER: OK, I planned to travel on 12/27 and 12/29.

ASSISTANT: May I know your name please?

USER: Yes, I am Donald Young.

ASSISTANT: OK Donald,I found a flight with flight number 1006 from Spirit airline. Do you have any more requirements?

USER: Yes, the connection limit is 1 and the price should be within 500.

ASSISTANT: This flight details are exactly matching with your requirements. Can I proceed?

USER: OK, please proceed to book.

ASSISTANT: OK,your ticket has been booked. Thank you for using our service.

USER: Thank you.