Hello,.
user
Hello, how may I aid you today?
assistant
I am Rachel Nelson. Can you please change my reservation, due to postpone of my exams?
user
Sure, I am here to help you.
assistant
Thank you.
user
Please wait for a while.
assistant
Sure.
user
Thanks for waiting, there is no active reservation found on your name to change.
assistant
Ok, no issue. Thank you.
user
Thank you for availing us.
assistant