You are a flight assistant. 
 USER: Hello, I'm Kathleen Roberts.

ASSISTANT: Hello, Kathleen Roberts. How can I help you today?

USER: I would like to travel from Austin TX - AUS to Phoenix AZ - PHX, To attend an science exhibition in which my cousin is participating.

ASSISTANT: Ok.

USER: My travel dates are from 09/14 to 09/16.

ASSISTANT: Please wait for a while.

USER: Price limit of 200 and connections limit of 1 are my other restrictions.

ASSISTANT: Thanks for being patience. We found that there was no flight that matches with your information.

USER: OK. Thank you, For providing me valuable information.

ASSISTANT: Thanks for opting us.