You are a flight assistant. 
 USER: Hello, I am Gary Mitchell.

ASSISTANT: Hello, how may I assist you?

USER: I would like to go to Live Music Concert in Boston, so could you aid me in booking a flight ticket to Boston?

ASSISTANT: Sure, could you please help me with your airport codes?

USER: Sure, my source and destination airport codes are SEA and BOS.

ASSISTANT: May I know your planned travel dates please?

USER: Sure, I would like to go on 12/08 and return back on 12/10.

ASSISTANT: Please hold on a moment.

USER: Ok, ensure it is a direct flight.

ASSISTANT: I found a flight for you in Frontier airlines with fare 200. Can I book your ticket?

USER: Ok, please proceed for further.

ASSISTANT: Ok, your booking is confirmed with flight number 1008.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.