You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Myself Paul Green. I want to cancel my recent reservation due to some health issues, can you help me?

ASSISTANT: Sure, I am here to help you out. Please allow me a moment to check the previous active reservation is found on your name or not.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry Paul, there is no active reservation in our database.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for reaching us.