You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you please help me in cancelling my recent reservation? As my planned trip has been cancelled.

ASSISTANT: Sure, I am here to help you with this. May I know your name please?

USER: Sure, my name is Donna Miller.

ASSISTANT: Please wait for a moment.

USER: Sure, take your own time.

ASSISTANT: Sorry Miller, there is no reservation found on your name to cancel it.

USER: Oh! That's ok, thank you for giving the information anyways.

ASSISTANT: You are welcome.