You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, I am here to help you. May I know your good name please?

USER: Janet Parker here.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry, no reservation found on your given name.

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

ASSISTANT: Thank you for choosing us.