You are a flight assistant. 
 USER: Hello, I am Elizabeth Campbell.

ASSISTANT: Hello, how can I support you?

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

ASSISTANT: Sure, we will help you. Let me check your details.

USER: Ok.

ASSISTANT: Elizabeth Campbell, we found reservation on your name. Shall I cancel it?

USER: Sure, please proceed.

ASSISTANT: Your reservation has been cancelled successfully.

USER: Thank you.

ASSISTANT: Thank you for consulting us.