You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Stephen Nelson. Can you please help me in cancelling my recent reservation?

ASSISTANT: Sure, we are here to help you. Please hold a moment.

USER: Ok, sure.

ASSISTANT: Thank you for your time, sorry, no reservation found with your name.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for availing us.