You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you for the day?

USER: Can you please help me in cancelling my recent reservation?

ASSISTANT: Sure, I am here to help you.

USER: Thanks for accepting my request.

ASSISTANT: May, I know your good name?

USER: Myself Frank Williams.

ASSISTANT: Sorry, we found no reservation on your given name.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for reaching us.