You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you?

USER: I am Larry carter. Can you help me to cancel my reservation?

ASSISTANT: Sure Larry, I am here to help you with that. Let me check your reservation status in our database.

USER: Sure, please check.

ASSISTANT: Larry sorry to intimate, no reservation is found in your name in our database.

USER: No issues, thank you for your time.

ASSISTANT: You are most welcome.