Hello,. I am John Moore.
Hello, how may I serve you today?
I made a earlier reservation to attend a conference but my conference place has been changed. Can you please change my existing reservation?
Sure, I will help you to change your reservation.
Thank you.
Please wait for a moment, while I check for the reservation.
Sure.
Thank you for waiting, sorry there is no reservation found on your name in our system data.
Ok, no issue. Thank you.
Thank you for reaching us, we hope see you again.