You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to book a ticket from CLT to OAK?

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

USER: I want to start on Sept 6 and return on Sept 8.

ASSISTANT: Is there any class preference for you?

USER: No.

ASSISTANT: May I know your connection limit?

USER: I would like to travel in a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I want to depart in the evening flight.

ASSISTANT: Please wait for a moment.

USER: Ok.

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

USER: Ok, not an issue. Thank you.

ASSISTANT: Your good name please.

USER: Susan King here.

ASSISTANT: Thank you for reaching us.