Hi,. I am Anna Collins.
user
Hello, how can I assist you?
assistant
I want to change my existing reservation due to postpone of my exams. Can you please assist me with this?
user
Ok. Please wait a moment.
assistant
Sure, I will wait.
user
Sorry, there is no reservation found on your name.
assistant
That's ok, thank you.
user
Thank you for reaching us.
assistant