Hello, I am Kathleen Campbell.
user
Hello, how can I assist you today?
assistant
Due to change in my exam dates I need to change my existing reservation can you please help me in changing it?
user
Sure, we are ready to help you. Please hold on I will check the details and revert to you.
assistant
Thank you. Sure.
user
Thanks for waiting. Sorry, there is no reservation found with your specification.
assistant
No problem. Thank you for the information.
user
Thank you for choosing us, have a great day.
assistant