You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

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

ASSISTANT: Sure, I am here to help you. Please wait for a while.

USER: Ok.

ASSISTANT: Sorry, no reservation found on your name in our reservation list.

USER: That's Ok, thanks for your response.

ASSISTANT: Thank you for approaching us, have a great day.