You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: Frank Perez here. Can you please help me with cancellation?

ASSISTANT: Sure, I will help you with that.

USER: Please check and let me know.

ASSISTANT: Sure, wait a moment.

USER: Ok.

ASSISTANT: We regret to inform you that, there is no reservation found on your name in our records.

USER: Oh! That's fine. Thank you for checking.

ASSISTANT: Thank you for approaching us, have a great day.

USER: Most welcome.