You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Please help me in booking a flight ticket to JFK from OAK.

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: My travel dates are May 30 and June 01.

ASSISTANT: Do you need break in between your journey?

USER: I need direct flight for my journey.

ASSISTANT: Please let me know if you have any other specifications.

USER: I prefer normal-cost airline.

ASSISTANT: Can I have your good name please?

USER: I am Karen Jackson.

ASSISTANT: Sorry, there are no direct flights available for you on those dates.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Thank you for choosing us.