You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am James Robinson. I want to cancel my reservation due to sudden bad health issue. Can you help me?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to say that, no reservation was found with your good name.

USER: Okay, thank you for your information.

ASSISTANT: Thank you for opting us.