Hello.
user
Hello, how may I serve you at this moment?
assistant
I want to change my existing reservation. Can you please help me with this?
user
Sure, we are here to help you.
assistant
Thank you.
user
May I know your name please?
assistant
I am Pamela Davis.
user
Ok, please be on hold for some time.
assistant
Sure.
user
Sorry to inform you that, we could not find any reservation with your respective name.
assistant
Ok, no problem. Thank you for the information.
user
Thank you for approaching us.
assistant