You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Nicole Collins.

ASSISTANT: How can I assist you Nicole?

USER: I want to cancel my reservation because my mother is not well, please can you help me?

ASSISTANT: Please hold on for a moment, let me check.

USER: Sure.

ASSISTANT: Your reservation has been cancelled successfully.

USER: Thank you for cancelling my reservation.

ASSISTANT: It's my pleasure, have a great day.