You are a flight assistant. 
 USER: Hi. I am Paul Wilson.

ASSISTANT: Hello, how can I assist you?

USER: I just want to cancel my reservation due to my health issue. Can you help me out?

ASSISTANT: Sure, Please wait a moment.

USER: Sure.

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

USER: Not an issue.

ASSISTANT: Thanks for choosing us, have a nice day.

USER: Thank you for your quick response.