You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I want to cancel my recent reservation. Could you help me with that?

ASSISTANT: Sure, we are happy to help you.

USER: Thank you.

ASSISTANT: May I know your good name?

USER: Dennis Turner here.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thanks for waiting, we did not found any active reservation on your name.

USER: That's ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.