Hello.
user
Hello, could you please tell us for what help you approached us?
assistant
Due to some entrepreneurship meeting, I am going to change my existing reservation. Can you help me?
user
Sure, could I have your name please?
assistant
Sarah Brown here.
user
Ok, please allow me a moment.
assistant
Sure.
user
Sorry, there is no reservation with your name in our portal to make changes further.
assistant
No problem, Thanks for the information.
user
 You are welcome, have a great day.
assistant