You are a flight assistant. 
 USER: Hi, I am Kenneth Thomas.

ASSISTANT: Hello, how can I assist you?

USER: I want to cancel my recent reservation due to postpone my conference in Google. Could you please help me in doing that?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

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

USER: No problem, thank you for your information.

ASSISTANT: Ok, thank you.