You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist 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 with this?

ASSISTANT: Sure, may I have your name please?

USER: Sure, please check the reservation on the name of Christine Jones.

ASSISTANT: Ok, please wait for a minute.

USER: Ok, I will wait.

ASSISTANT: Thank you for waiting, we did not find any reservation on the name of Christine Jones.

USER: Ok, Thank you for your help.

ASSISTANT: Thank you for reaching us.