You are a flight assistant. 
 USER: Hello, I am Justin White.

ASSISTANT: Hello. How can I assist you?

USER: This summer, I would like to go to a beach in Boston, so could you aid me in booking a flight ticket to Boston?

ASSISTANT: Ok, may I know your travelling dates?

USER: Sure, I would like to go on 05/20 and return back on 05/22.

ASSISTANT: Ok, may I know your travelling airport codes?

USER: My source and destination airport codes are ATL and BOS.

ASSISTANT: Here is a flight ticket with fare 200 and 1017 flight number and having connecting flight. Shall I proceed for booking?

USER: Ok, please proceed for further.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.

USER: Welcome.