You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: Could you please book a flight ticket from LAX to SFO?

ASSISTANT: Can I have your trip dates?

USER: My trip dates are Sept 07 and Sept 09.

ASSISTANT: Do you need any connection limit?

USER: I need a direct flight.

ASSISTANT: Do you need any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: I am Jonathan Williams.

ASSISTANT: There are no flights available on your routes.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.