You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How may I assist you?

USER: My name is Kathleen Turner.

ASSISTANT: Ok.

USER: My client meeting was cancelled, so please cancel my reservation.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: I'm sorry, there is no reservation by name Kathleen Turner.

USER: No problem, thanks for your service.

ASSISTANT: Thanks. Have a great day!.