You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I know your name please?

USER: I am Eric Brown.

ASSISTANT: Yes Eric, what can I do for you today?

USER: I would like to go from AUS to PHX to attend my college seminar.

ASSISTANT: Ok.

USER: book a flight ticket for me.

ASSISTANT: Ok, may I know your travelling dates?

USER: My preferable dates are from 12/14 and 12/16. I need a flight with 1 connection.

ASSISTANT: Sorry, there is no flight available based on your information.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for approaching us.