You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

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 with this?

ASSISTANT: Sure, may I know your name please.

USER: Sure, I am Emily Moore.

ASSISTANT: Please give me a minute.

USER: Ok.

ASSISTANT: There is no reservation  available on your name to  change it.

USER: Ok, Thank you.

ASSISTANT: Thanks for availing us.