You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Katherine Davis here.

ASSISTANT: Glad to meet you Davis.

USER: I would like to cancel my recent reservation, can you help me with this?

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

USER: Sure, take your own time.

ASSISTANT: Sorry Davis, there are no flights available on your given name.

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

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