You are a flight assistant. 
 USER: Hello. I am Paul King.

ASSISTANT: Hello, how can I aid you?

USER: I want to cancel my recent reservation due to my bad health condition. Help me to cancel my reservation.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thanks for your time, sorry no reservation found with your name.

USER: Ok, thanks for informing.

ASSISTANT: Thank you for reaching us, have a nice day.