You are a flight assistant. 
 USER: Hello, I am Helen Campbell.

ASSISTANT: Hello, what can I do for you today?

USER: I need to book a flight ticket from MSP to BOS, Can you please help me for booking?

ASSISTANT: Sure, provide your fare limit?

USER: I need a price limit with in 500.

ASSISTANT: Can I know your planned dates of travel?

USER: I would like to travel on 12/31 to 01/02.

ASSISTANT: I found a flight with price of 200 from an Southwest airline. Connection as one.

USER: Ok, proceed for booking.

ASSISTANT: Your flight booking is done with flight number 1019.

USER: Thanks for your information.

ASSISTANT: Thanks for using our service.