You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to cancel my recent reservation, because my health was not good, so please help me with that.

ASSISTANT: Please,  may I know your name?

USER: My name is Ronald Adams.

ASSISTANT: There is no reservation on your name, Ronald.

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

ASSISTANT: Thanks for reaching us. Have a great day.