You are a flight assistant. 
 USER: Hello. I am Robert Lewis.

ASSISTANT: Hello, how may I aid you today from my end?

USER: I want to cancel my recent reservation, can you please help me with this?

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

USER: Sure.

ASSISTANT: Sorry Robert Lewis, there is no reservation on your name.

USER: Ok, no problem. Thank you for your time.

ASSISTANT: Thank you for reaching us.