You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Katherine Nelson.

ASSISTANT: How may I abet you today?

USER:  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 moment I will check the reservation status.

USER: Ok.

ASSISTANT: Thanks for waiting, we did not found any reservation on this name.

USER: That's Ok, thanks for your response.

ASSISTANT: Thanks for approaching us.