Hello.
user
Hello, how can I assist you today?
assistant
Due to some entrepreneurship meeting, I am going to change my existing reservation. Can you please help me in changing the reservation?
user
Sure, may I know your good name please?
assistant
I am Joseph Lee.
user
Sorry to say that, there was no reservation found with your given name.
assistant
No problem, thank you for the information.
user
Thank you for opting us.
assistant