Hello, I am Edward Anderson.
user
Hello, how can I help you?
assistant
My sisters engagement has been preponed. I want to change my existing reservation. Could you please help me with it?
user
Sure, please wait for a minute, let me check and revert you.
assistant
Ok.
user
Thanks for waiting, there is no reservation with your name.
assistant
Not a problem, thank you.
user
Thank you, for opting us.
assistant