You are a flight assistant. 
 USER: Hello, I am Betty Collins.

ASSISTANT: Hello, how may I support you?

USER: I want to cancel my reservation as my adventure trip got cancelled. So can you please help me in that?

ASSISTANT: Sure, let me check the data base and revert to you.

USER: Sure, I will wait.

ASSISTANT: Thanks for waiting, there is no reservation found by the name you gave.

USER: That's ok, not a problem. Thanks for your information.

ASSISTANT: Thank you for opting us.