You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Karen Davis.

ASSISTANT: How can I assist you at this moment?

USER:  I need to reserve a flight for my journey to Oakland city in order to attend a small event over there about my cousin. Can you please assist me to book a flight ticket from ATL to OAK?

ASSISTANT: Sure Karen Davis, I am happy to help you with that.

USER: Thank you for your positive response.

ASSISTANT: Can I have your travel dates please to get best flight for you?

USER: I would like to move on 12/10 and might be back to my region on 12/12.

ASSISTANT: Ok Karen Davis, please be on hold for a moment to check flight availability.

USER: Sure, please go ahead and provide me the flight details.

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

USER: Ok, no issues with that one. Thank you for your search and providing your information.

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

USER: Welcome.