You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Will you please book me a flight ticket on dates Mar 1st to Mar 3rd?

ASSISTANT: Can I know your airport codes?

USER: I will be leaving from SFO and arrive at JFK.

ASSISTANT: Do you need any connection limit?

USER: Yes, I need 1 lay by within my route.

ASSISTANT: Do you need any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: I am Richard Adams.

ASSISTANT: There are no flights available on your routes.

USER: That's alright, thanks for your assistance.

ASSISTANT: Thank you for choosing us.