You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you today?

USER: I am George Nelson. I want to cancel my recent reservation, due to ill health. Can you please help me?

ASSISTANT: Sure, we are glad to help you with cancellation.

USER: Thank you.

ASSISTANT: Please wait for a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for your time, there was no reservation found on your name.

USER: No problem. thank you for your information.

ASSISTANT: Thank you for opting us.