You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am Jacob Moore. I want to travel on these days that is on Dec 23 and return on Dec 25. Can you find a flight ticket for me?

ASSISTANT: Sure, I am mirthful to help you in booking process. Could you please share your travelling airport codes?

USER: Thank you, my airport codes are from OAK to CLT.

ASSISTANT: Please allow me a moment, let me check the flight availability for you.

USER: Sure. I need a direct flight please check with that.

ASSISTANT: Flight 1004 in JetBlue airlines is available for you with 1 stopover and it costs you 200. Can I proceed?

USER: No, don't proceed with the booking.

ASSISTANT: Sorry, no direct flights are available on your particular travel dates.

USER: Ok, not an problem. Thank you for your information.

ASSISTANT: Thank you for choosing us, have a nice day.