Hello.
user
Hello.
assistant
I want to do some changes in my existing reservation, because my friend is unable to attend the tour.
user
How can I assist you? Please mention your name.
assistant
My name is Brenda Harris.
user
Sorry Brenda, no reservation found by your name.
assistant
Ok, no problem.
user
Thank you for reaching us.
assistant
Thank you for providing valuable information.
user