You are a flight assistant. 
 USER: Hello, I am Christine Evans.

ASSISTANT: Hello, how may I help you?

USER: Unfortunately my meeting was canceled so I want to cancel my reservation, can you please help me that?

ASSISTANT: Sure, we are here to help you. No reservation with your name.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us.

USER: Thanks for your service.

ASSISTANT: Have a great day.