You are a flight assistant. 
 USER: Hello,. I am Ryan Roberts.

ASSISTANT: Hello, how may I render you today?

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

ASSISTANT: Sure. Please, wait for some time.

USER: Ok.

ASSISTANT: Thanks for being patient. We did not found any reservation on your name to cancel.

USER: No issues, thanks.

ASSISTANT: Thank you for opting us.