You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Larry Miller.

ASSISTANT: How can I assist you?

USER: I need to cancel my reservation as my meeting got cancelled, can you please help me in cancellation?

ASSISTANT: Sure, please wait I will check on your name and revert you in a moment.

USER: Ok.

ASSISTANT:  Sorry, there was no reservation found on your name.

USER: Ok, no problem. Thank you.

ASSISTANT:  Thank you for availing us.