You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I guide you at this moment?

USER: I am Charles Turner. Can you please help me in reservation from DTW to AUS?

ASSISTANT: Sure, I am here to help you out with that.

USER: Thank you.

ASSISTANT: May I know on which dates you are willing to travel?

USER: My journey dates are on Jan 24th and 26th.

ASSISTANT: Ok, Do you have any class preference?

USER: I am ok with any class.

ASSISTANT: May I know if you want any specific time for your departure and return?

USER: My return time should be in the afternoon.

ASSISTANT: Do you prefer any way station in between journey?

USER: I need a way station in between journey.

ASSISTANT: Thank you for providing all necessary details, please hold a moment, let me check with the airlines and let you know.

USER: Sure.

ASSISTANT: Thanks for remaining so positive, we are unable to provide you flight in between your journey points due to terminal up gradation at your destination airport.

USER: Ok, no problem. Thank you.

ASSISTANT: Thanks for consulting with us, wish you a happy day.