You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Myself Donald Smith. Will you help me in booking the flight ticket from BOS to JFK?

ASSISTANT: Sure, may I know your depart and return dates?

USER: My travelling dates are May 12 and May 14. I need a flight with single connection.

ASSISTANT: May I know your price limit?

USER: I can afford up to 1000.

ASSISTANT: We found a flight on southwest airline, flight number as 1008 with the fare of 200. Can I proceed?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for availing us.