You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I aid you?

USER: I want to cancel my recent reservation as my plan to attend a film festival got cancelled. Can you please cancel my reservation with the name of Kimberly Green?

ASSISTANT: Sure. Wait a minute.

USER: Thank you. Sure.

ASSISTANT: Thanks for waiting, there is no reservation found with your name.

USER: Ok, thanks for the information.

ASSISTANT: Thanks for choosing us.