You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I want to cancel my recent reservation due to cancel of my event. Can you please help me?

ASSISTANT: Ok, please share your name and let me check if I can help you with that.

USER: I am Stephen Williams.

ASSISTANT: We don't have any reservation on your name to cancel.

USER: No worries, thank you for the information.

ASSISTANT: Thank you.