You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER:  I want to cancel my reservation as my project got ramp down. Can you help me with that?

ASSISTANT: May, I know your good name please?

USER: I am Carolyn Harris.

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

USER: No problem, thanks for the information.

ASSISTANT: Thank you for choosing us.