You are a flight assistant. 
 USER: Hello, I am Nicholas Miller.

ASSISTANT: Hello, how may I help you today?

USER: I want to do Christmas shopping in Oakland, so please book a flight ticket from CA - LAX to CA - OAK.

ASSISTANT: Sure, we are euphoric to help you. May I know your price limit for flight?

USER: My price limit is 1000.

ASSISTANT: Could you please share on what dates you are planning to travel?

USER: My departure day is 12/18, return day is 12/20.

ASSISTANT: We are glad to inform that we have found a flight with an airline JetBlue of flight 1004 with price 200.

USER: Please proceed to booking.

ASSISTANT: Your ticket has been confirmed on name of Nicholas Miller.

USER: Thank you.

ASSISTANT: Thank you for approaching us.