You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I serve you?

USER: I'm Laura Harris planning my vacation in Minneapolis, can you book a ticket from LGA to MSP?

ASSISTANT: May I know your travel dates?

USER: Sure, my travel dates are 04/21 and 04/23.

ASSISTANT: Please wait a moment.

USER: OK.

ASSISTANT: There is a flight that matches your criteria.

USER: OK, please check whether the price is within 500 and connection is 1.

ASSISTANT: Sure. I found an airline with a price limit of 200 provided with a single connection.

USER: That's perfect! Proceed with my booking.

ASSISTANT: Sure,  your ticket is booked.

USER: OK, thank you.

ASSISTANT: Thank you.