You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Christine Anderson.

ASSISTANT: Ok.

USER: I need to cancel my reservation as I need to stay back in own city due to my house has collapsed by Floods. Can you help me in cancellation?

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: We are sorry to inform, there is no reservation found with your given name.

USER: Ok, no problem.

ASSISTANT: Thank you for availing us.

USER: Thank you for your service.