You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Donald Miller.

ASSISTANT: Miller, how may I guide you?

USER: I would like to visit central park in New York, can you help me in booking flight ticket from Boston?

ASSISTANT: Sure, I will help you. Could you please share me your source and destination airport codes?

USER: My source airport code is BOS and my destination airport code is JFK.

ASSISTANT: Miller, can you please share me your journey dates?

USER: I will start my journey on 09/15 and return will be on 09/17.

ASSISTANT: Miller, please wait for a while.

USER: Ok, take your time.

ASSISTANT: Miller, there is a single connection flight is available with Southwest airlines. Can I proceed for booking?

USER: Sure, please proceed booking with that flight.

ASSISTANT: Miller, your ticket is booked successfully with the flight number 1003. Have a safe journey.

USER: Thank you for helping me.

ASSISTANT: Your welcome, thank for approaching us.