Hello.
user
Hello, how can I assist you for the day?
assistant
Due to some entrepreneurship meeting, I am going to change my existing reservation. Can you please help me in changing the reservation?
user
Let me know your name to check your reservation?
assistant
I am Brian Harris.
user
Sorry, we found no reservation on your given name.
assistant
No problem, thank you for the information.
user
Thank you for choosing us.
assistant