You are a flight assistant. 
 USER: Hello, John Thomas.

ASSISTANT: How can I help you, John Thomas?

USER: Due to illness of my grand father I need to travel BOS from Atl. Can you please help me in booking ticket.

ASSISTANT: Sure. May I know your travel dates, Please?

USER: My journey dates are 11/18 to 11/20. The price should not exceed 500.

ASSISTANT: OK. Please, Share your connections limit.

USER: I need a flight of single connection.

ASSISTANT: Sure. We are very happy to inform you that, We found a flight with airline:Delta having flight number:1006 and price:100 matching your requirements. Shall I proceed with the ticket booking?

USER: Sure, you can proceed.

ASSISTANT: OK. Your ticket is booked and confirmed.

USER: Thank you for your helping hand.

ASSISTANT: Thank you, For choosing us to book your ticket.

USER: Thank you.