You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you now?

USER: I am Anthony Green. I want to cancel my reservation, due to my health issues. So please help me in the cancellation.

ASSISTANT: Sure, I will help you to cancel your reservation. Please wait for a moment, while I search for the reservation.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for reaching us.