You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Steven Nelson here.

ASSISTANT: How may I help you?

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

ASSISTANT: Ok, wait a moment.

USER: Sure.

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

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

ASSISTANT: My pleasure.