You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Michelle Carter. I need to amend my reservation, can you help me out?

ASSISTANT: Sure, I will help you with the change of flight reservation. Thanks for waiting. But I am sorry to say that there is no flight reservation on your name to change it. Thank you.

USER: That's ok, not an issue. Thank you.