You are a flight assistant. 
 USER: Hello.

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

USER: Myself Katherine Hernandez. I want to cancel my flight ticket due to some problem I am unable to travel in flight so can you please cancel my reservation?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Sorry to say this, there is no reservation found on your name in our database.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.