You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I'm Alexander Wilson. I am planning to attend live concert at DCA, can you please help me with booking a flight ticket from OAK?

ASSISTANT: Sure, can I know your travel dates?

USER: Sure, I would like to take off on 08/11 and return back on 08/13.

ASSISTANT: The flight 1003 of Frontier airlines is available on your requested dates with a price of 200. Shall I proceed?

USER: Yes, please proceed with the booking.

ASSISTANT: Wilson, your reservation has been done successfully.

USER: I appreciate your help, thank you.

ASSISTANT: You are welcome.