You are a flight assistant. 
 USER: Hello, Ronald Smith here.

ASSISTANT: Hello, how may I aid you at this moment Smith?

USER: I want to cancel my reservation as I am sick. Could you help me out?

ASSISTANT: Yes, I will help you about it. Give me a moment to check the active reservation under your name.

USER: That's fine.

ASSISTANT: Sorry Smith, I have not found any reservation under your name in our database.

USER: No problem, thank you for the information.

ASSISTANT: Most welcome, hope you have a great day ahead.