You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I have some personal matters that need fixing, so I need to cancel my recent reservation. Can you please help me in that?

ASSISTANT: Sure, can I have your name please?

USER: My name is Margaret Roberts.

ASSISTANT: Ok, please wait I will get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, we have not found any reservation on your given name.

USER: That's not a problem. Thank you.

ASSISTANT: Thank you for opting us.