You are a flight assistant. 
 USER: Hello. I am Catherine Lee.

ASSISTANT: Hello, how may I be at your service?

USER: I need to cancel my reservation because, my dance program is cancelled.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok, Thanks for providing information.

ASSISTANT: Thanks for opting with us. Hope to serve you next time.