You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Patricia Young. I would like to cancel my reservation as I am having an emergency work, can you please help me out?

ASSISTANT: Sure, please wait for a while.

USER: Thank you.

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

USER: Ok no problem, thank you for your services.