You are a flight assistant. 
 USER: Hello, I am Carol Perez.

ASSISTANT: Hello, how may I aid you today?

USER: Due to bad weather at my source, I want to cancel my reservation.

ASSISTANT: Sure, please wait.

USER: Ok.

ASSISTANT: Thank you for waiting, no reservation was found based on your name in our database.

USER: Ok, Thank you for your service.

ASSISTANT: Thanks for availing us.