You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Michelle Carter.

ASSISTANT: Carter, how can I aid you today?

USER: I want to cancel my recent reservation due to some health issue. Can you please help me with this?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Hold on for a moment. Let me check. I found a reservation on your name, shall I proceed to cancel?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been cancelled Carter.

USER: Thank you for your kind service.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.