You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Joshua Lee.

ASSISTANT: Glad to meet you Lee.

USER: Would it be possible to cancel my recent reservation?

ASSISTANT: Yes. Hold on for a moment. Let me check in our records.

USER: Sure, take your time.

ASSISTANT: Sorry Lee, 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.