You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I want to cancel my reservation, can you please help in cancelling my reservation?

ASSISTANT: Sure, we are glad to help you. May I know your name?

USER: Thank you.

ASSISTANT: Please help me with your name.

USER: Sure. I am Kevin Thompson.

ASSISTANT: Sorry, No reservation found on your name.

USER: No problem, thank you.

ASSISTANT: Thank you for making us to serve you today.