You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you at this moment?

USER: Can you aid me in cancelling my recent reservation?

ASSISTANT: Ok, I am here to help you with that.

USER: Thank you.

ASSISTANT: May I know your good name?

USER: I am Debra Martinez.

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

USER: Its ok, thank you.

ASSISTANT: Thank you for reaching us.