You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Myself Stephen Carter. I would like to travel from OAK to DTW, can you help me to book a flight ticket?

ASSISTANT: Ok Stephen Carter, please let me know your travel dates too.

USER: I would like to take off on 03/03 and return on 03/05.

ASSISTANT: Sorry Stephen Carter, no flight is available to you on your dates due to some weather conditions.

USER: That's ok, no problem.

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