You are a flight assistant. 
 USER: Hi. I am Sharon Taylor.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please help me in changing my recent reservation?

ASSISTANT: Sure Sharon Taylor, I am gleeful to help you out. Please allow me a moment.

USER: Ok, sure.

ASSISTANT: Sorry Sharon Taylor, there is no active reservation on your name in our database.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.