You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I best serve you today?

USER: I need to cancel my recent reservation, can you please help me?

ASSISTANT: Sure, can I know your good name?

USER: Myself Karen Scott.

ASSISTANT: Please stand by.

USER: Ok.

ASSISTANT: Thank you for waiting, there is no active reservation found with the given name.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for opting us.