You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Katherine Miller. I want to participating in football match at Austin, TX-AUS. Can you help me in that?

ASSISTANT: We are glad to help you. Could you provide me your journey details?

USER: My source point is Las Vegas, NV-LAS. The dates are from 12/31 to 01/02.

ASSISTANT: Ok, please wait I will revert you in a moment.

USER: Ok.

ASSISTANT: Thanks for waiting. Sorry, no flights were found on your requested dates.

USER: No problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for the information.

ASSISTANT: Have a nice day.