You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you please help me in booking the flight ticket from SFO to CLT?

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: My desired dates are July 05 and July 07.

ASSISTANT: Do you prefer break in between your journey?

USER: Direct flight is required and make sure that arrival time should be in evening.

ASSISTANT: Can I have your good name please?

USER: Donald Moore here.

ASSISTANT: Sorry, no flights available on those dates with your given details.

USER: Ok, not an issue. Thanks for checking.

ASSISTANT: Thank you for reaching us.