You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you?

USER: My name is Elizabeth Wilson. My client meeting was cancelled, so please cancel my recent reservation.

ASSISTANT: Sure, let me check the status and revert you.

USER: Ok.

ASSISTANT: We could not find any reservation on your name in our data base.

USER: No problem. Thank you for your service.

ASSISTANT: Thank you for reaching us.