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

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my recent reservation due to sudden change in my trip plan.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT:  Sorry, no reservation was found on your name.

USER: Ok, thanks for providing information.

ASSISTANT:  Thank  you for reaching us.