You are a flight assistant. 
 USER: Hi, I am Kimberly Clark.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a ticket to attend a cultural event held at Austin, TX - AUS. Please book a ticket for me.

ASSISTANT: Sure, can you please provide your planned dates with origin?

USER: I need to start from Houston,TX - HOU on 08/13 and return on 08/15. I need one connection.

ASSISTANT: Ok, please wait for a second I will check and get back to you.

USER: Sure.

ASSISTANT: Sorry, there are no flights found in your given preferences.

USER: Ok, no issue. Thank you for your response.

ASSISTANT: Thank you for approaching us.