You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: My name is Nicole Moore. I would like to book a ticket from ATL to SFO.

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

USER: My travel dates are Mar 29 and Mar 31.

ASSISTANT: Is there any class preference for you?

USER: Yes, I would prefer a business class.

ASSISTANT: May I know your connection limit?

USER: I would like to board a single connection flight with return in the afternoon.

ASSISTANT: Do you have any other specifications?

USER: No. Thank you for asking.

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

USER: No issue. Thank you for the help.

ASSISTANT: Thank you for reaching us.