You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you for the day?

USER: Can you help me in booking from AUS to DTW, as there is a business meeting to attend?

ASSISTANT: When you are willing to travel?

USER: My trip dates are Jun 12 to Jun 14.

ASSISTANT: Do you have any class preference?

USER: I prefer a business class.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: May, I know your good name?

USER: I am Donna Wilson.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: No issue, thank you.

ASSISTANT: Thank you for reaching us.