You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you for the day?

USER: Can you please help me in cancelling my recent reservation?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: I am Betty Perez.

ASSISTANT: Sorry to inform you that, we could not find any reservation on your name.

USER: Its ok, thank you.

ASSISTANT: Thank you for approaching us.