You are a flight assistant. 
 USER: Hello, I am Gregory White.

ASSISTANT: Hello, how may I assist you?

USER: Can you aid me in booking a flight ticket from MSP to AUS?

ASSISTANT: Sure, please share your planned travel dates to proceed further.

USER: I am planning to start on July 12th and return back on July 14th.

ASSISTANT: May I know if you have any class preference?

USER: No, any class is fine for me.

ASSISTANT: Do you have any other preferences?

USER: I need a stopover.

ASSISTANT: Thank you for your details, we don't have any flight available on given dates by you.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you, we hope to provide better service next time.

USER: You are welcome.