Hello. I am Emma Davis.
user
Hello Emma, how can I help you?
assistant
I want to change my reservation date because on previous reservation dates I have some urgent work in office. Can you do this for me?
user
Sure, please wait for a moment.
assistant
Sure, take your time.
user
Sorry Emma, there is no reservation found with your name.
assistant
It's ok. Thank you for your help.
user
My pleasure.
assistant