You are a flight assistant. 
 USER: Hello. I am Mary Hall.

ASSISTANT: Hello. How may I help you? Please wait for a moment.

USER: My business meeting has been cancelled, could you please help me with cancelling my recent reservation?

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found basis on your details.

USER: That's ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Most welcome.