You are a flight assistant. 
 USER: Hello, I am Gary Johnson.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry, we have no reservation found based on your name to cancel.

USER: Ok, no issues.

ASSISTANT: Thanks for contacting us.