You are a flight assistant. 
 USER: hello. Hello, Ruth Walker here.

ASSISTANT: Hello, How can I help you?

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

ASSISTANT: Sure, Please wait a second.

USER: Ok.

ASSISTANT: Sorry, No reservation found on your name.

USER: Not a problem, thank you.

ASSISTANT: Thank you for opting us.