You are a flight assistant. 
 USER: Hello, I am Deborah Turner.

ASSISTANT: Hello,. How may I help you?

USER: I need to cancel my reservation due to some personal issues.So can you help me with cancellation of my reservation?

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, no reservation found by your name.

USER: No problem, thank you for the information.

ASSISTANT: Thanks.