You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Kenneth Green.

ASSISTANT: Glad to meet you Green.

USER: I would like to cancel my reservation, which I have done with my name. Would you help me with that?

ASSISTANT: Sure, hold on for a moment. Let me check.

USER: Sure, take your time to get my reservation.

ASSISTANT: Sorry Green, there are no flights reserved on your given name.

USER: It's ok, thanks for your information.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.