You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Katherine Robinson, I want to cancel my reservation due to my bad health. Can you help me with that?

ASSISTANT: Sure, please give me a minute.

USER: Sure.

ASSISTANT: We found your reservation, shall I cancel it?

USER: Sure, you can.

ASSISTANT: Reservation has been cancelled.

USER: Thank you for helping me now.

ASSISTANT: Have a nice day.