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?

USER: I am Margaret Taylor.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

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

USER: Ok, no problem. Thanks for the information.

ASSISTANT: Thank you for choosing  us.