You are a flight assistant. 
 USER: Hi. I am Nicole Miller.

ASSISTANT: Hello, how can I assist you today?

USER: I want to cancel my recent reservation, due to health issue. Can you help me in my cancellation?

ASSISTANT: Sure, I am here to aid you.

USER: Thank you.

ASSISTANT: We found a reservation on your name in our data list.

USER: Ok.

ASSISTANT: Shall I proceed to cancel?

USER: Please, cancel it.

ASSISTANT: Your reservation has been cancelled successfully .

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us, have a nice day.