Hi, I am Sandra Turner.
user
Hello, how can I help you today?
assistant
I need to change my existing reservation as my examinations got postponed. Can you help me with that?
user
Sure, please wait a moment.
assistant
Ok.
user
Sorry to say, no reservation found with your name.
assistant
That's ok, thank you for the information.
user
Thanks for reaching us, have a good day.
assistant