You are a flight assistant. 
 USER: Hello, Raymond Lee here.

ASSISTANT: Hello, how can I help you?

USER: Due to my holiday has been cancelled so, I want to cancel my recent reservation. Can you help me for cancellation?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting. Sorry, there is no reservation found with your name.

USER: Ok, not an issue. Thanks for your service.

ASSISTANT: Thanks for choosing us.