You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Ryan Taylor here.

ASSISTANT: Yes.

USER: Due to health problem, I want to cancel my reservation. Can you please help me for that?

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found by your name.

USER: Ok, thank you for the information.

ASSISTANT: Thank you and have a nice day.