You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I serve you at this moment?

USER: I need to cancel my reservation as I need to stay back in my own city, due to my house has collapsed by Floods.

ASSISTANT: Ok.

USER: Can you please help me with this?

ASSISTANT: Sure, I am here to help you out. Please provide me your name.

USER: Sure, please check the reservation on the name of Susan Anderson.

ASSISTANT: We regret to say that there is no active reservation found on your name.

USER: Ok, Thank you for your service.

ASSISTANT: Thank you for opting us, hope to serve you again.