Hello.
user
Hello, do you need any help from us?
assistant
I want to change my existing reservation due to postpone of my event. Can you please help me?
user
Sure, could I have your name please?
assistant
I am Melissa Jackson.
user
Ok, please allow me a moment.
assistant
Sure.
user
Sorry, there is no reservation with your name to make changes further.
assistant
No worries, thank you for the information.
user
You are welcome, have a great day.
assistant