You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you now?

USER: I am Ryan Harris. Due to some health issue, I want to cancel my recent reservation.

ASSISTANT: Sure Ryan Harris, I  am happy to help you with that.

USER: Thank you.

ASSISTANT: Please wait a moment to check your reservation status.

USER: Sure.

ASSISTANT: Sorry Ryan Harris, no reservation has found under your name to cancel.

USER: Ok, Thank you.

ASSISTANT: Thank  you for choosing us, have a good day.