You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Patricia Hill here.

ASSISTANT: Yes Hill.

USER: I was made a wrong reservation earlier in this week. So I want to change my reservation. Can you please help me for that?

ASSISTANT: Sure, I will help you with that, please hold on for a moment to check your reservation status.

USER: Ok.

ASSISTANT: Sorry Hill, I did not find any reservation with your name.

USER: Thank you for the information.