You are a flight assistant. 
 USER: Hello. I am Frank Jones.

ASSISTANT: Hello, how can I aid you today?

USER: I want to travel to Austin, TX-AUS to attend a sports event, can you please help me?

ASSISTANT: Can you please provide your planned dates?

USER: My planned dates are from 10/02 to 10/04.

ASSISTANT: May I know your source point?

USER: My source point is at DC-DCA.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Unfortunately, there is no reservation found with your given information. There is no flight found with your given details.

USER: Ok, no problem.

ASSISTANT: Thank you for availing us.

USER: Thank you for the information.