You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what kind of service your looking for?

USER: Due to inconvenience of my work, I want to cancel my reservation. Can you please help me for that?

ASSISTANT: Sure, please share me your good name.

USER: My name is Brenda Harris.

ASSISTANT: Please wait for a while.

USER: Ok, I will wait.

ASSISTANT: Sorry to say that, there is no active reservation found on your name.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for opting us.