You are a flight assistant. 
 USER: Hello, I am Rebecca Lee.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to celebrate New year at my hometown, So can you please help me in booking a flight ticket from JFK to OAK?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Could you please provide your travelling dates?

USER: My journey dates are from 12/31 to 01/02.

ASSISTANT: Let me know your specifications.

USER: My price limit is 200.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, unfortunately there are no flight found based on your details.

USER: That's not a problem. Thanks for your information.

ASSISTANT: Thank you for choosing us.