Hello.
user
Hello.
assistant
I am Steven Carter.
user
How can I aid you today?
assistant
I need to change my existing reservation due to postpone of my event. Could you please help me?
user
Sure  Steven Carter, I will help you. Please wait for a while.
assistant
Sure.
user
Sorry  Steven Carter, no reservation found on your name.
assistant
No worries, thank you for the information.
user
Thank you for approaching us.
assistant