You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your name please?

USER: My name is Robert Roberts here.

ASSISTANT: Robert, what kind of help is required from my end?

USER: I want  to visit Washington, on 02/16.Can you please help me for booking the flight ticket?

ASSISTANT: Sure Roberts, can I know the airport codes please?

USER: The respective airport codes are from CA-OAK to DC-CA.

ASSISTANT: Can you share the return date please?

USER: Sure, the return date is 02/18. The destination airport code is DC-DCA.

ASSISTANT: There is a flight for you in Spirit airline, shall I book it?

USER: May I know the price?

ASSISTANT: The price is 100.

USER: I agree with the price, proceed with my booking.

ASSISTANT: Your ticket has been booked with flight number 1025.

USER: Thank you for your help.

ASSISTANT: You are welcome. Thanks for approaching us.