You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I want to cancel my recent reservation due to bad health issues. Can you help me with that?

ASSISTANT: Sure, give me a minute. May I know your name for checking?

USER: Ronald Nelson here.

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

USER: Ok, no issues. Thank you for your quick response.

ASSISTANT: Thank you for reaching us.