You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, I am here to assist you.

USER: Thank you.

ASSISTANT: May I know your name to proceed further?

USER: Brian Walker.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for your time, we did not find any reservation on your name.

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

ASSISTANT: Thank you for opting us.