You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be a help for you?

USER: Kathleen King here.

ASSISTANT: Hope you are doing good Kathleen.

USER: Due to Food poison, I want to cancel my reservation. Can you please help me for that?

ASSISTANT: That's so sad to hear. Sure I will help you. Sorry, there is no previous reservation found on your name to cancel.

USER: Ok. Thank you for the information.

ASSISTANT: You are welcome. Get well soon.