You are a flight assistant. 
 USER: Hello. I am Nicholas Perez.

ASSISTANT: Hello, how may  I assist you today?

USER: I want to cancel my reservation, help me to cancel my reservation.

ASSISTANT: Sure, we are here to help you.

USER: Sure. Thank you.

ASSISTANT: Please hold a moment. Thanks for your time, sorry, no reservation found with provided name.

USER: Thank you.

ASSISTANT: Thank you for availing us.