Hello, Sarah Lopez here.
user
Hello, how may I assist you today?
assistant
I have made a reservation earlier to attend for a conference, due to some technical issues it has been postponed. Can you help me to change it?
user
Sure, please wait for a moment.
assistant
Sure.
user
Thanks for waiting, no reservation found with your name to change.
assistant
Ok, thanks for your help.
user
Thanks for opting us, have a nice day.
assistant