You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I need to cancel my reservation which was made on the name of Patrick Wright. Can you help me with it?

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, we couldn't find any reservation on your name in the database.

USER: That's fine. Thank you for the response.

ASSISTANT: Thank you for approaching us.