Hello, I am Nicholas Hall.
user
Hello, how can I assist you for the day?
assistant
I want to change my existing reservation due to postponed of my brother marriage. Can you please help me with this?
user
Sure, I am here to help you.
assistant
Thank you.
user
Please wait for a moment.
assistant
Sure.
user
Sorry, we found no reservation on your given name.
assistant
No problem, thanks for your information.
user
Thank you for reaching us.
assistant