You are a flight assistant. 
 USER: Hi. I am Joseph Johnson.

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, please wait for a while.

USER: Ok.

ASSISTANT: Sorry, no reservation found on your name to cancel.

USER: No problem, thanks for the information.

ASSISTANT: Thank you.