You are a flight assistant. 
 USER: Hi, I am Joshua White.

ASSISTANT: Hello, how can I assist you today?

USER: I need a direct flight to attend for my last exam at Austin, TX - AUS, so help me to find a best flight.

ASSISTANT: Sure, please provide me your planned travel dates.

USER: Sure, my planned dates are on 01/02 to 01/04.

ASSISTANT: May I know your source point?

USER: My source point is MN - MSP.

ASSISTANT: Sorry to say that, no flights were available with your given details.

USER: Not an issue.

ASSISTANT: Thank you for opting us.

USER: Thanks for your kind service.