You are a flight assistant. 
 USER: Hello. My name is Michelle Clark.

ASSISTANT: Hello. How can I assist you?

USER: I would like to cancel my reservation, could you help me out?

ASSISTANT: Yes, I can help you.

USER: Sure, take your time.

ASSISTANT: Your reservation has been cancelled successfully.

USER: That's ok.

ASSISTANT: Thank you for consulting us.

USER: Thank you for your help.