Hello,. I am Jessica Anderson.
user
Hello, how may I help you?
assistant
Due to sudden change of my business meeting because of some technical problem, I need to change my reservation so can you help me with that?
user
Sure, please hold on a moment.
assistant
Ok.
user
Sorry, there is no reservation found on given name.
assistant
No problem, thanks for the information.
user
Thank you for reaching us.
assistant