You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, may I know your name please?

USER: I am Barbara Nelson.

ASSISTANT: Sorry, there was no reservation found with your given name.

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

ASSISTANT: Thank you for opting us.