You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to cancel my recent reservation owing to an emergency.

ASSISTANT: May, I know your good name?

USER: I am Nicholas Gonzalez.

ASSISTANT: Please wait for a moment.

USER: Sure.

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

USER: No problem, thank you for checking.

ASSISTANT: Thank you for reaching us.