Hi.
user
Hello, how can I help you today?
assistant
Could you please change my existing reservation due to postpone of my exams?
user
Sure, I am here to help you with that. Can you please share me your name?
assistant
My name is Joseph Anderson.
user
Please wait a moment.
assistant
Sure.
user
Sorry, no reservation found on your name to change your reservation.
assistant
Not a problem, thank you for checking.
user
Thank you for reaching us, have a nice day.
assistant