You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am Laura Hernandez. Ok, please can you cancel my existing reservation?

ASSISTANT: Sure, I will help you with this.

USER: Thank you.

ASSISTANT: Laura Hernandez, there are no active reservation found under your name in our database to cancel it.

USER: Thank you for trying. That's ok.

ASSISTANT: Thank you for contacting us.