You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Can you help me in cancelling my recent reservation?

ASSISTANT: Sure, I am here to help you. May I know your name?

USER: Thank you. I am Nicole Williams.

ASSISTANT: There is no reservation found under your name.

USER: No problem, thank you.

ASSISTANT: Thank you for opting us.