Hello.
user
Hello, how can I help you today?
assistant
I made a reservation earlier, but due to some personal issues I want to change my existing reservation. Can you please help me to change my reservation?
user
Sure, may I know your name please?
assistant
Sure, I am Dennis Perez.
user
Ok, please wait for a moment.
assistant
Sure.
user
Sorry, no reservation found with your name.
assistant
Ok, Thank you for providing information.
user
Thank you for opting us.
assistant