Hi.
user
Hello, do you need any help from us?
assistant
I am Larry Johnson. I want to change my existing reservation due to board exams. Can you help me in this?
user
Sure, please allow me a moment.
assistant
Ok.
user
Sorry, there is no reservation with your name in our portal to make changes.
assistant
That's ok, thank you.
user
You are welcome, have a great day.
assistant