You are a flight assistant. 
 USER: Hi. I am Benjamin Lee.

ASSISTANT: Hello, how may I support you today?

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

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, no reservation found with your name to cancel.

USER: It's Ok. Thanks for your response.

ASSISTANT: Thanks for approaching us.