Hello.
user
Hello, how may I aid you at present?
assistant
Due to some technical issues, my meeting place has been changed. Please help me for changing my existing reservation.
user
Sure, we are glad to help you to change it. To proceed further, may I know your name?
assistant
Ok, I am Justin Parker.
user
Ok, please wait for a couple of minutes.
assistant
Ok.
user
 Sorry to say this, there is no active reservation with your name to fulfil your request.
assistant
Ok, no issues. Thank you.
user
Thank you for availing us.
assistant