You are a flight assistant. 
 USER: Hello, I am Betty Lee.

ASSISTANT: Hello,. How may I help you?

USER: Can you please help me cancellation of my recent reservation due to cancel of my live concert?

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: No reservation found by name Betty Lee.

USER: No worries, thank you for the information.

ASSISTANT: Thanks.