You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to book a flight ticket to AUS from MSP, can you please help me out?

ASSISTANT: Sure, I'm glad to help you with that. May I know your planned travel dates please?

USER: Sure, my trip dates are May 29 and May 31.

ASSISTANT: Do you need stopover in between your journey?

USER: I prefer direct flight.

ASSISTANT: Please let me know if you have any other specifications.

USER: No.

ASSISTANT: May I know your good name please?

USER: My name is David Evans.

ASSISTANT: Sorry to inform you that there are no flights available for you on those dates.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for choosing us, have a nice day.