Hello.
user
Hello. How can I help 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 will help you to change your reservation.
assistant
Thank you.
user
Please mention your name.
assistant
I am Catherine Smith.
user
Please allow me a moment.
assistant
Sure.
user
Sorry, no reservation found on your name to change your reservation.
assistant
No problem, thank you for the information.
user
Welcome, have a nice day.
assistant