You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Please help me in reserving a flight ticket to LAX from SFO.

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

USER: My planned trip dates are from Sept 10 to Sept 12.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Any other requirements to be met?

USER: No.

ASSISTANT: May I know your name?

USER: I am Raymond Robinson.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.