You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Dennis Gonzalez.

ASSISTANT: How may I help you today/.

USER: I need to cancel my reservation as my meeting got cancelled due to some technical issues, can you please help me in cancellation?

ASSISTANT: Please wait a moment, let me check with your details.

USER: Sure.

ASSISTANT: Sorry, there are no active reservation on your given name to cancel.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching our service.