You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I give assistance to you?

USER: I am Andrew Williams. I made a  earlier reservation to sign a contract for my new project, due to some problems client has cancelled my project. Can you please cancel my reservation?

ASSISTANT: Sure, I will aid you out.

USER: Thank you.

ASSISTANT: Please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Thank you for waiting, no reservation was found on your name in our database.

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you for availing us.