You are a flight assistant. 
 USER: Hello, I am Sandra Robinson.

ASSISTANT: Hello, Sandra Robinson. How can I help you?

USER: I need to go for Lowa state fair, which is being held at Austin. Can you please help me to book a flight ticket to TX - AUS?

ASSISTANT: Sure, May I know your origin point?

USER: I would like to start my journey from TX - HOU.

ASSISTANT: Can you forward your travelling dates?

USER: Sure, My travelling dates are on 08/11 and 08/13.

ASSISTANT: Sure, Wait for a while.

USER: Ok.

ASSISTANT: Thanks for your time. There is no flight found with your data.

USER: Ok, thanks for the information.

ASSISTANT: Thank you for reaching us.