You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Shirley Jones here.

ASSISTANT: How may I guide you?

USER: I'm planning to attend a client meeting at Phoenix, can you please help me in booking the ticket from Oakland?

ASSISTANT: Sure, I will help you. May I know your nearest source and destination airport codes please?

USER: My nearest source airport code is OAK and I want to land at the airport, PHX.

ASSISTANT: Can I have your planned journey dates please?

USER: Sure, I would like to start my journey from here on 03/16 and return by 03/18.

ASSISTANT: Please hold on a moment, Shirley.

USER: Sure, I'll wait for your response.

ASSISTANT: Thank you for your waiting, I found a flight for you in AA airlines with price 300. Can I book your ticket?

USER: That's fine, please proceed for booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1003.

USER: Thank you so much for your help.

ASSISTANT: Thank you for choosing us.