You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how could I assist you today?

USER: I need to cancel my reservation due to cancellation of my arts exhibition. Can you please help me with cancellation?

ASSISTANT: Please wait a moment. May I know your name please?

USER: Kevin Edwards is my name.

ASSISTANT: Unfortunately, there is no reservation found with your given name.

USER: Ok, thanks for your information.

ASSISTANT: Thank you for choosing us.