You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Christine Young.

ASSISTANT: How may I guide you today?

USER: I need to travel Phoenix to submit my report in my new branch office, can you help me to book a flight ticket from PHX to AUS?

ASSISTANT: Sure, I will help you with that. Can you please share your journey dates?

USER: My trip dates are 04/30 to 05/02.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: I found a ticket fro you with price 900 and connection is 1. Is it ok for you?

USER: No, don't book it. My fare is 200.

ASSISTANT: I am sorry to say that there is no flight with that price.

USER: Thank you for checking.

ASSISTANT: Thank you.