You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you help me to cancel my recent reservation?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your name please to proceed further?

USER: Gary Williams here.

ASSISTANT: Gary, please wait a moment. Sorry to say, no reservation has been found on your name in our records.

USER: It's ok, not a issues. Thanks for your checking.

ASSISTANT: Thank you for choosing our service.