You are a flight assistant. 
 USER: Hi. I am Barbara Carter.

ASSISTANT: Hello, how can I assist you?

USER: I want to cancel my recent reservation as my death valley adventure trip got cancelled. Please help me out.

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, there were no reservation found on your name.

USER: That's fine, thanks for the response.

ASSISTANT: Thank you for choosing us.