You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am planning a holiday trip to San Francisco, CA-OAK can you help me booking a flight ticket from Oakland, CA-OAK?

ASSISTANT: Sure, may I know your travelling dates?

USER: Thank you. My travelling dates are from 12/26 to 12/28.

ASSISTANT: Do you need any stopover in between your journey?

USER: Yes, I need a break in between my journey.

ASSISTANT: Let me know your good name,.

USER: I am Robert Lee.

ASSISTANT: Please hold on, I will get back to you with flight details.

USER: Sure.

ASSISTANT: There is no flight found matching with your requirements.

USER: No problem. Thank you for the information.

ASSISTANT: Thanks for availing us.