You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Usually I prefer a connecting flight, but unfortunately my friend has already reserved my ticket with a direct flight. So, I want to change it. Can you please help me to change my reservation?

ASSISTANT: Sure, may I know your good name please?

USER: My name is Ashley Harris.

ASSISTANT: Ok, please wait for couple of minutes.

USER: Sure.

ASSISTANT: There is no existing reservation found on your name in our records.

USER: That's Ok, thanks for your help.

ASSISTANT: Thank you for reaching us.