Hi.
user
Hello. How can I serve you?
assistant
John Parker here.
user
Ok.
assistant
I already have an reservation to attend a meeting, due to some problems meeting place has been changed. So I need a few changes in my reservation,.
user
Sure, I can help you. Give me a minute.
assistant
Ok.
user
Thank you for waiting, but I am sorry to say that, there is no active reservation found with your name in our database to change it.
assistant
That's ok, no problem. Thank you for informing.
user
Thanks  for consulting us.
assistant