Hello.
user
Hello. How can I aid you today?
assistant
I would like to change my existing reservation, please help me out.
user
Sure, I am here to help you. Could you provide me your name?
assistant
My name is Eric Lewis.
user
Sorry Eric, no reservation found on your name in our database.
assistant
Ok, no problem. Thank you for your information.
user
Thank you for consulting us.
assistant