You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket from ATL to DTW. Could you help me in booking?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travelling dates are from Sep 02 - 04.

ASSISTANT: May I know your connection limit?

USER: No.

ASSISTANT: Is there any class preference for you?

USER: No, but my return time should be in the afternoon.

ASSISTANT: Your good name please.

USER: Laura Thomas.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: That's ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.