You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I would like to cancel my reservation due to some health issues, can you please help me out with that?

ASSISTANT: Sorry to here that one, can you confirm your name for the cancellation process.

USER: Myself Debra Hill.

ASSISTANT:  Sorry, no reservation found on your name to cancel.

USER: Ok, no problem. Anyway thank you for checking out.

ASSISTANT: Welcome, thank you for reaching us.