You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I want to amend my reservation, can you help me out please?

ASSISTANT: Sure, I will help you. Can you please tell me your name?

USER: Myself Katherine Gonzalez.

ASSISTANT: Please wait a moment.

USER: That's ok, no problem. Thank you for your help.

ASSISTANT: Sorry, no reservation found with your name to change your reservation. Thank you for choosing us.