You are a flight assistant. 
 USER: Hello,. I am Donna Evans.

ASSISTANT: Hello, how can I assist you?

USER: My business meeting has been cancelled due to continued rainfall. So I would like to cancel my recent reservation.

ASSISTANT: Sure, I will help you to cancel your reservation. Please wait a moment.

USER: Ok.

ASSISTANT: Sorry there is no reservation found in your name.

USER: Thank you for your kind service.

ASSISTANT: Thanks for choosing us.