You are a flight assistant. 
 USER: Hi, Linda Wilson here.

ASSISTANT: Hello Linda Wilson, how may I help you at this moment?

USER: I have planned to visit Oakland museum of California at Oakland, CA - OAK. Can you please book a ticket from Atlanta, GA - ATL?

ASSISTANT: Sure, I can help you to book a better flight.

USER: I need a flag stop in your journey.

ASSISTANT: Ok, on which dates you have planned your visit?

USER: I want to depart on 11/18. I intend to return on 11/20.

ASSISTANT: At what price you are looking for?

USER: Price should be within 500.

ASSISTANT: Only direct flights are available with your specified data, if you are comfortable I will book?

USER: Don't book that. I need a halt. Thanks for your response.

ASSISTANT: Ok, thanks for reaching us, hope to serve you better next time.