Hello.
user
Hello, how can I help you today?
assistant
Due to some personal work, I want to change my existing reservation. Can you please change my reservation?
user
Sure, please wait for a moment.
assistant
Sure.
user
May I know your name?
assistant
I am Carol Thompson.
user
Sorry, no reservation found with your name.
assistant
Ok, Thank you for your help.
user
Thank you.
assistant