You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Kevin Davis, Could you help me to cancel my reservation?

ASSISTANT: Sure, please wait I will check and revert you.

USER: Sure.

ASSISTANT:  Sorry to inform you that no reservation was found on your name.

USER: Ok, thank you for providing information.

ASSISTANT:  Thank you for availing us.