You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I made my reservation in advance, but now found out I don't have any leaves so want to cancel my reservation. Please help me to cancel my recent reservation.

ASSISTANT: Sure, I am here to help you. May I know your good name?

USER: I am Kenneth Evans.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, we found no reservation on your given name.

USER: No worries, thank you for the information.

ASSISTANT: Thank you for reaching us.