You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to cancel my recent reservation?

ASSISTANT: May, I know your good name?

USER: I am Jack Hall.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, we found no reservation on your given name.

USER: Ok, not an issue. Thank you for checking.

ASSISTANT: Thank you for reaching us.