Hello.
user
Hello, How can I assist you?
assistant
I am Karen Perez. I need to change my existing reservation due to postpone of my exams. Could you please help me in changing?
user
Sure, please wait. I will check in the reservation list and get back to you.
assistant
Sure.
user
Thanks for waiting, we did not find any reservation on your name.
assistant
No problem, thank you for your information.
user
Thanks for approaching us.
assistant