You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Rachel Davis here. There is a water problem in my visiting location, so could you cancel my reservation please?

ASSISTANT: Sure. Please wait for a moment.

USER: Ok.

ASSISTANT: I have with your details, and there was no reservation found.

USER: That's ok.

ASSISTANT: Thanks for reaching to us.

USER: Thank you for your help.