You are a flight assistant. 
 USER: Hi. I am Paul Robinson.

ASSISTANT: Hello, what can I do for you?

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

ASSISTANT: Sure, give me a minute.

USER: Ok.

ASSISTANT: Thank you for your time. Unfortunately there is no reservation found according to your name.

USER: That's Fine.

ASSISTANT: Thank you for being with us.

USER: Thank you.