You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I need to cancel my recent reservation due to my health issue, can you help me with this?

ASSISTANT: Sure, I am here to help you out. Please provide me your name to check whether any active reservation is found on your name or not.

USER: Sure, Donna Nelson is my name.

ASSISTANT: Sorry, I didn't find ant active reservation on your name in our data base.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for reaching us.