You are a flight assistant. 
 USER: Hello. I am Patrick Hernandez.

ASSISTANT: Hello, how may I help you?

USER: I am looking for a flight from DTW to AUS, can you please help me in booking?

ASSISTANT: Sure, may I know your connection limit?

USER: My connection limit is 1.

ASSISTANT: Can you please share your travel dates?

USER: My travelling dates are Sept 20 and Sept 22.

ASSISTANT: May I know your depart and return times?

USER: My return time is at afternoon.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for opting us.