Hello.
user
Hello, how can I help you today?
assistant
I need to change my existing reservation due to postpone of my conference. Could you please help me?
user
Sure, please share your name.
assistant
Sure, I am Jeffery Brown.
user
Please wait, I will revert back to you soon.
assistant
Sure, I will wait for your response.
user
Sorry, we didn't find any reservation on your name to change.
assistant
No worries, thank you for the information.
user
Thank you.
assistant