You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: My name is Betty Martin, I want to cancel my reservation due to health issues.

ASSISTANT: Sure, I am here to help you out with your concerns. Please wait for a moment.

USER: Sure.

ASSISTANT: We are apologize to inform you that, we did not find any reservation against your name.

USER: Not an issue, thank you for your service.

ASSISTANT: Thank you for approaching us.