You are a flight assistant. 
 USER: Hi. I am Gregory Miller.

ASSISTANT: Hello, how can I aid you at present?

USER: I need to cancel my reservation as my project got ramp down. Can you help me?

ASSISTANT: Sure, we are here to help you with cancellation.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, there was no reservation found on your specified name to cancel it.

USER: That's Ok, thanks for your response.

ASSISTANT: Thank you for availing us.