You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I oblige you today?

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 in this?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Ok, please provide your name to check the status of your reservation.

USER: Sure, Mary Anderson is my name.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your patience, we are sorry to inform you that there was no reservation found on your given name.

USER: No issues, thank you for informing me.

ASSISTANT: Thank you for opting us.