Hi, my name is Gregory Clark.
user
Hello. How may I be of your assistance?
assistant
I intend to change my existing reservation as my project got postponed due to some technical issues.
user
Sure, please wait a moment I will check and revert to you.
assistant
Ok.
user
Thanks for waiting, unfortunately there is no reservation found against your name.
assistant
Ok, thank you for your assistance.
user
Thanks for reaching us, have a nice day.
assistant