You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

USER: I am Charles Edwards. I want to cancel my reservation, help me in that?

ASSISTANT: Sure, I am perky to help you with that.

USER: Ok.

ASSISTANT: For checking your reservation status, we need to know your name. May I know your name?

USER: I already mention my name.

ASSISTANT: Ok, please wait for a moment. I will check with it and get back to you.

USER: Ok.

ASSISTANT: Sorry to say that, we have not found any reservation on your name in our records.

USER: That's ok, thank you.

ASSISTANT: Thank you for choosing us, have a good day.