You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: As I have fallen sick, due to bad weather I would like to cancel my recent reservation. Can you please help me with that?

ASSISTANT: Ok, please share your name and let me see if I can help you.

USER: My name is Karen Roberts.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: I am sorry to inform you that we didn't find any reservation on your name to cancel.

USER: No problem, thank you for your information.

ASSISTANT: Thank you.