Hello.
user
Hello, what sort of help are you seeking from us?
assistant
I made a reservation earlier to attend for a meeting, due to some reasons meeting has been postponed. Can  you please help me to change it?
user
Sure, I am here to help you out with that.
assistant
Thank you.
user
For that I need to know your name. Can you please provide me?
assistant
Sure, Benjamin Collins here.
user
Ok, Please allow me a moment to check for the previous reservation in our database.
assistant
Sure.
user
Thanks for remaining so positive, We are sorry to notify that, there is no active reservation found on your name.
assistant
Ok, thanks for your service.
user
Thanks for approaching us, wish you a nice day.
assistant