You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for today?

USER: Can you help me booking a flight ticket from AUS to DTW?

ASSISTANT: I am here to help you about that, can you please let me know your planned dates of journey?

USER: I will start on 07/15 and return on 07/17.

ASSISTANT: Do you need any connecting flight for your journey?

USER: I need a break in my journey.

ASSISTANT: Do you have any other requirement for your journey?

USER: I am looking for a business class.

ASSISTANT: Can you please let me know your name for reservation purpose?

USER: I am George Taylor.

ASSISTANT: Sorry George Taylor, I am not able to provide a business class flight to your region on your planned dates of journey due to heavy bookings.

USER: No problem, thank you for the information.

ASSISTANT: You are welcome, thank you for reaching us.