You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

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

ASSISTANT: Sure, I am happy to help you. May I know your travelling dates?

USER: My trip dates are Mar 10 and Mar 12 respectively.

ASSISTANT: Do you have any stopover in between journey?

USER: I prefer for a lay by.

ASSISTANT: Is there any other specifications for you?

USER: My return time should be in the afternoon.

ASSISTANT: Can I have your good name?

USER: Raymond King here.

ASSISTANT: Sorry, no flights are available on your journey dates.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.