You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you please help me to search a flight from CA-SFO?

ASSISTANT: May I know the travel dates please?

USER: The travel dates are 11/20 to 11/22.

ASSISTANT: Sure, could you please provide your destination code?

USER: The destination airport code is CA-LAX.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: May I know your name please?

USER: Sure, my name is Jonathan Turner.

ASSISTANT: Sorry to say, there are no flights available on your dates.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for reaching us, have a nice day.