You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Myself Larry Taylor. I need to cancel my existing reservation, can you please help me out?

ASSISTANT: Sure, I am at your service to help you. Please wait for a moment.

USER: Please take your time.

ASSISTANT: Sorry Larry, no reservation found under your name. Thank you for approaching us.

USER: Thank you for searching the details.