You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I am Jeffrey Lee. I need to cancel my reservation, As I need to stay back in own city due to hails on roads and heavy snow.

ASSISTANT: Sure, wait a minute.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Not a problem, thank you.

ASSISTANT: Thank you.