You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I provide assistance for you now?

USER: I am Alexander Edwards. Usually I prefer connecting flight, But unfortunately my friend has already reserved my ticket to direct flight.

ASSISTANT: Ok.

USER: Can you please change my reservation?

ASSISTANT: Sure, please hold on.

USER: Sure.

ASSISTANT: Thanks for being patience. No reservation found on your name to change the reservation.

USER: No problem. Thank you.

ASSISTANT: Thank you for opting us.