You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Kimberly Walker.

ASSISTANT: Walker, what can I do for you?

USER: I am planning to visit MCO to meet my brother, can you please find a flight from SFO?

ASSISTANT: Sure, I am happy to help you. May I know your travel dates please?

USER: I want to start my journey on 08/28 and my return will be on 08/30.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Ok, I will wait for your information.

ASSISTANT: Sorry Walker, there are no flights available on your given dates.

USER: It's ok, thank you for checking.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.