You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I am Ryan King, want to travel from DCA to OAK. Will you please help me in booking my ticket?

ASSISTANT: Sure, can I know your trip dates?

USER: Sure, my travelling dates are from 04/10 to 04/12.

ASSISTANT: I got a flight for you with 1 connection and ticket fare is 300.

USER: Ok, please confirm that for me.

ASSISTANT: Sure. Your ticket has been confirmed. Enjoy your journey. Thank you to visit us.

USER: Thank you.