You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me to cancel my reservation?

ASSISTANT: Sure, I will do that.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: My name is Nancy Hernandez.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We didn't find any reservation on your name to cancel.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you.