Hello,. I am Nicholas Allen.
user
Hello, how may I aid you today?
assistant
I want to change my existing reservation due to my exams got postponed.
user
Sure, could you please hold a moment, let me check your reservation and revert to you.
assistant
Ok.
user
Thanks for your valuable time, sorry, unfortunately no reservation found in our database with provided name.
assistant
Ok, thanks for your information.
user
Thanks for connecting with us, have a great day ahead.
assistant