You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I am Ronald Nelson, can you help me to cancel my reservation?

ASSISTANT: Sure Nelson, I am here to help you with this.

USER: Thank you.

ASSISTANT: Sorry Nelson, there is no reservation found as per your name to cancel it.

USER: No issues, thank you for your time.

ASSISTANT: You are welcome.