You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Paul White.

ASSISTANT: How may I be your helping hand, Paul White?

USER: I want to cancel my recent reservation as my conference got cancelled. Please help me with cancellation.

ASSISTANT: Sure, hold on.

USER: Ok.

ASSISTANT: Sorry, there was no reservation with your name. Thank you for connecting us.

USER: Thank you.