You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you cancel my recent reservation?

ASSISTANT: Sure, may I know your good name?

USER: Ok, I am Samantha Harris.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry to say that, no reservation was found with your good name.

USER: It's ok, not an issue. Thanks for checking.

ASSISTANT: Thank you for reaching us.