You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Linda Clark.

ASSISTANT: How may I assist you?

USER: I want to cancel my reservation, can you help me with that?

ASSISTANT: Sure, please wait.

USER: Ok.

ASSISTANT: Sorry, there is no active reservation on your name.

USER: Ok, thanks for checking.

ASSISTANT: Thank you.