You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: On the name of Brenda Clark, please make the reservation to be cancelled as I got some important work to be finished.

ASSISTANT: Sure, please wait for a minute.

USER: Ok.

ASSISTANT: Unfortunately there is no reservation found with your name.

USER: No, problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.