You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Paul Wright here.

ASSISTANT: Paul, how can I assist you?

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

ASSISTANT: Sure, I will help you with that. Let me check your reservation status in our database.

USER: Sure.

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

USER: No problem, thank you for checking.

ASSISTANT: You are welcome.