You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Jeffrey Lopez. Owing to an emergency, I want to cancel my reservation.

ASSISTANT: Sure, please hold a moment, let me check your current reservation and let you know.

USER: Sure.

ASSISTANT: Thanks for your time, sorry, unfortunately no reservation found with provided name.

USER: Not an issue. Thanks for your service.

ASSISTANT: Thanks for reaching us, have a great day ahead.