You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kimberly Collins.

ASSISTANT: How can I aid you?

USER: I want to cancel my reservation, so please help me in the cancellation.

ASSISTANT: Sure, please allow me a moment to check for the status.

USER: Ok.

ASSISTANT: Thank you for waiting. Here, there is no active reservation have been found under your name in our database to cancel it.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for reaching us.