You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you please cancel my recent reservation? As my planned trip has been cancelled.

ASSISTANT: Sure, may I know your name please?

USER: Sure, my name is Katherine Brown.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I'll wait for your response.

ASSISTANT: Sorry to inform you, there is no active reservation found with your name in our records.

USER: Oh! That's ok, thank you for giving the information anyways.

ASSISTANT: My pleasure.