Hello.
user
Hello, how can I assist you?
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, I am here to help you. May I know your name please?
assistant
Thank you. I am Justin Hall.
user
Ok, please stand by.
assistant
Sure.
user
Thank you for waiting, sorry no reservation found on your name.
assistant
No problem, thank you for the information.
user
Thank you for reaching us, have  a good day.
assistant