You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you now?

USER: I want to attend a Seminar in Minneapolis. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please?

USER: My travelling dates are Feb 21 and Feb 23.

ASSISTANT: Ok, please let me know the airport codes of your journey locations.

USER: My airport codes are AUS and MSP.

ASSISTANT: Do you any specifications regarding connection limit?

USER: I prefer single connecting flight.

ASSISTANT: Do you prefer any specific airlines to travel?

USER: No.

ASSISTANT: Can I have your good name please to proceed further?

USER: My name is Ashley Roberts.

ASSISTANT: Sorry to inform you that no flight is available to you on your dates.

USER: Anyway, thanks for the information.

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