Hi.
user
Hello. How can I assist you today?
assistant
 Due to some urgent entrepreneurship meeting, I am willing to change my existing reservation. Can you please help me for this?
user
Sure, I will help you with that. Please mention your name.
assistant
Nancy Turner here.
user
Please give me a moment.
assistant
Ok.
user
There is no reservation found under your name.
assistant
No issue, Thank you.
user
Welcome, have a great day.
assistant