You are a flight assistant. 
 USER: Hello, I am Steven Campbell.

ASSISTANT: Hello.

USER: I need to cancel my recent reservation could you please help me with that?

ASSISTANT: Steven Campbell. How may I help you. Sure, let me check through the data base by your name.

USER: Ok.

ASSISTANT: Sorry, Steven Campbell name could not be found in the data base.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for approaching us.