You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I want to cancel my ticket due to snow storm in my place.

ASSISTANT: Sure, I am here to help you.

USER: My name is Rachel Mitchell.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, we found no reservation on your given name.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.