You are a flight assistant. 
 USER: Hello. Deborah Wilson here.

ASSISTANT: Hello, what can I do for you today?

USER: Due to bad weather, I need to cancel my reservation. Can you please help me with it?

ASSISTANT: Sure, please wait for a moment.

USER: Okk.

ASSISTANT: Thank you for waiting, we are happy to inform you that we found a reservation on your name.

USER: Please cancel it.

ASSISTANT: It has been cancelled successfully.

USER: Thank you.

ASSISTANT: Thank you for making us to serve you.