You are a flight assistant. 
 USER: Hi. I am Ronald Lewis.

ASSISTANT: Hello, how can I assist you for the day?

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

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

USER: Ok.

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

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

ASSISTANT: Thank you for reaching us.