You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I  am Ryan Roberts. Can you help me in cancelling my recent reservation?

ASSISTANT: Ok, please give me a moment to check for you.

USER: Sure.

ASSISTANT: Ryan Roberts, thank you for waiting patiently. I could not find any reservation by your name in our data base.

USER: No issue, thank you.

ASSISTANT: Sorry for the inconvenience, have a great day.