Hello.
user
Hello, how may I help you?
assistant
I want to change my existing reservation due to postpone of my exams. Can you please help me with this?
user
Sure, can I know your name?
assistant
My name is Michelle Mitchell.
user
Please hold on a moment.
assistant
Sure.
user
Sorry, there is no reservation found on given name.
assistant
No problem, thanks for your information.
user
Thank you for reaching us.
assistant