Hi.
user
Hello. How can I help you today?
assistant
I am Stephen Williams. I would like to change my recent reservation to new dates, is it possible to do?
user
Sure, I will check once is there any chance to change your reservation.
assistant
Sure, take your time to check it out.
user
Sorry, I could not find any reservation with your name in our database.
assistant
It's ok, thanks for your information.
user
Welcome, have a nice day.
assistant