You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Nicole Brown.

ASSISTANT: Hello Brown, how can I help you?

USER: I was fallen sick due to bad weather here in my area. So I would like to cancel my current reservation. Could you help me in cancelling the reservation?

ASSISTANT: Sure, please wait for a while, I will check and get back to you.

USER: Ok.

ASSISTANT: Sorry to tell that there is no reservation on your name.

USER: That's ok.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your time.