You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I want to cancel my recent reservation, due to some family problems. Can you please help me with this?

ASSISTANT: Sure, I am here to help you. Hold on for a moment. Let me check.

USER: Thank you. Ok.

ASSISTANT: May I know on whose name the ticket has been reserved?

USER: I am Amanda Lee.

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

USER: Ok, no problem. Thank you.

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