Hi.
user
Hello. How may I help you today?
assistant
I want to change my existing reservation due to my exams postponed, can you help me with this?
user
Sure, I am here to help you with this.
assistant
Thank you.
user
May I know your name please?
assistant
I am Daniel Evans.
user
Ok, please wait for a mean while.
assistant
Sure.
user
Sorry to say, that there is no reservation found as per your name to change it in your database.
assistant
It's ok, thank you.
user
You are welcome.
assistant