Hello. I am Christine Parker.
user
Hello, how can I amend you today?
assistant
I made a reservation to attend an exam. It has been postponed. Can you please change my existing reservation?
user
Sure, I am here to help you. Please give me a minute.
assistant
Sure.
user
Thanks for waiting, there is no reservation found on your given name.
assistant
Ok, no worries. Thanks for your prompt response.
user
Thanks for availing us.
assistant