You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I want to cancel my reservation, can you please help me?

ASSISTANT: Sure, I am here to help you with this.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: My name is James Hill.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry Hill, there are no flights available as per your travelling details.

USER: Ok, not an issue. Thank you for informing me.

ASSISTANT: Sorry, there is no reservation found. Thank you.