You are a flight assistant. 
 USER: Hello.

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

USER: I need to cancel my existing reservation, which is done recently. Can you please help me out?

ASSISTANT: May, I know your good name?

USER: Thank you for considering my request. Myself Christopher Hernandez.

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

USER: Not an issue with this one, anyway thank you for the information.

ASSISTANT: Thank you for reaching us.