You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today from my end?

USER: How can I amend my reservation which I had done recently?

ASSISTANT: Sure, I am here to help you out. Please provide me your name to check the reservation status on your name.

USER: Ok, please check for the name Ruth Taylor.

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

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for reaching us.