You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Can you cancel my recent reservation?

ASSISTANT: Sure, may I know your name please?

USER: Sure, I am Robert Robinson.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry Robinson, there is no reservation found as per your name in our database.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for reaching us with a query.