You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am planning to book a flight ticket to SFO from ATL, can you please help me out?

ASSISTANT: Please share your trip dates.

USER: Sure, my planned travelling dates are Feb 22 and Feb 24.

ASSISTANT: Do you need any connection limit?

USER: Yes, I prefer direct flight.

ASSISTANT: Could you share your preferable timings?

USER: No issues with time.

ASSISTANT: Do you need any other specifications?

USER: No.

ASSISTANT: May I know your name? There are no flights available on your routes.

USER: Sure, my name is Barbara Williams. It's ok, thank you for the information.

ASSISTANT: Thank you for choosing us.