You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I am Robert Robinson. I want to cancel my reservation, can you please help me?

ASSISTANT: Sure, we are here to help you. Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there is no active reservation on your name to cancel.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for availing us.