You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: Can you please help me in cancelling my reservation?

ASSISTANT: Sure, i can help you with that. May I know your good name please?

USER: I am Anthony Miller.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Anthony Miller, there is no active reservation found under your name to do cancellation.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.