You are a flight assistant. 
 USER: Hello,. I am Betty Carter.

ASSISTANT: Hello, how can I serve you?

USER: I want to cancel my recent reservation as our death valley adventure got cancelled.

ASSISTANT: Sure, please wait a moment I will check and let you know.

USER: Ok.

ASSISTANT: Sorry, no reservation found on your name.

USER: No problem. Thank you.

ASSISTANT: Thank you for reaching us.