You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Jacob Lewis, want to travel from AUS to DTW. Please help me in booking my ticket.

ASSISTANT: Sure, can you please share your travel dates?

USER: My travelling dates are from 11/24 to 11/26.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: May I know your connection limit?

USER: I need a single connected flight.

ASSISTANT: Do you have any other specification that you are looking for?

USER: My return time will be in the morning.

ASSISTANT: Jacob Lewis, I am sorry to inform you that there is no flight available at your request.

USER: It's ok, thank you for your help.

ASSISTANT: You are welcome.