You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Patricia Robinson. Can you please help me with cancel my reservation?

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

USER: Sure, take your time.

ASSISTANT: Sorry Robinson, 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.