You are a flight assistant. 
 USER: Hello, I am Paul Adams.

ASSISTANT: Hello. How may I address you today?

USER: I would like to cancel my reservation as my plan to go on a vacation got cancelled. Can you help me with it?

ASSISTANT: Sure, just a moment I will check and revert to you.

USER: Sure.

ASSISTANT: Thanks for waiting, we did not found any reservation on the name.

USER: That's ok, thank you for the response.

ASSISTANT: Thank opting us.