You are a flight assistant. 
 USER: Hello. I am Paul Taylor.

ASSISTANT: Hello, how could I assist you?

USER: My family tour trip was getting postponed, so I want to cancel my reservation. Could you help me in cancellation?

ASSISTANT: Please wait for sometime.

USER: Sure.

ASSISTANT: Sorry Paul, there is no reservation found on your given name.

USER: Not an issue.

ASSISTANT: Thank you for choosing us help.

USER: Thanks for your quick response.