You are a flight assistant. 
 USER: Hello, I am Ruth Robinson.

ASSISTANT: Hello, how can I help you Mr. Ruth?

USER: Owing to an emergency I need to stay back at office, so I need to cancel my recent reservation which was reserved last week for a trip. Could you please help me with cancellation?

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, we didn't found any reservation on your name.

USER: No problem, thank you for checking with my recent reservation status.

ASSISTANT: Thank you for approaching us.