You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you help me to cancel the recent reservation which I had done?

ASSISTANT: May I know your name please?

USER: Ok, please check for the name is Daniel Miller.

ASSISTANT: Sorry Daniel Miller, no reservation found in our database as per your request.

USER: Ok, that is not a problem. Thank you for providing the information.

ASSISTANT: Thank you for choosing us.