You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am Andrew Robinson. I want to cancel my reservation, due to my health issues. Could you help me in the cancellation?

ASSISTANT: Sure, please wait for a moment, I will check and get back to you.

USER: Sure.

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

USER: Not an issue. Thank you.

ASSISTANT: Thank you for opting us.