You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to cancel my recent reservation, due to my examination was cancelled.

ASSISTANT: Sure, please may I know your name?

USER: My name is Anthony Hill.

ASSISTANT: Sorry, there is no reservation found on your name.

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

ASSISTANT: Thank you for reaching us.