You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am planning to visit Oakland, CA-OAK. Can you please help me for booking the flight ticket?

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

USER: The travel dates are 06/30 to 07/02.

ASSISTANT: Can you please share your source airport code?

USER: The source code is from NY-JFK.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Patricia Miller.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: Ok, no problem.

ASSISTANT: Thank you for contacting us.

USER: Thank you for your information.