You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: I want to change my existing reservation due to some health issues, can you please help me in this intent?

ASSISTANT: Sure, can you provide me your good name for checking purpose?

USER: Ok, my name is Emma Edwards.

ASSISTANT: As per your request there is no reservation found for the user name which you have provided for checking.

USER: That's fine. Thank you for consulting us.