You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Andrew Gonzalez. Owing to an emergency, I want to cancel my reservation.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: We are sorry to inform, there is no reservation found with your given name.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for choosing us.