You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: My name is Brenda Anderson and I would like cancel my reservation.

ASSISTANT: Sure, wait a second I will check the update and get back to you.

USER: Sure.

ASSISTANT: Sorry to inform you, there is no reservation found under your name to cancel.

USER: No problem, thank you for the time.

ASSISTANT: Thank you for opting us.