Hi.
user
Hello. How may I serve you today?
assistant
I want to change my existing reservation which is done recently due to some problems, can you please help me?
user
Sure, I am here to help you. May I know your name please?
assistant
Sure, my name is Kimberly Turner.
user
We did not find any reservation on your given name in our data.
assistant
Ok, that's fine. Anyways, thank you for your service.
user
Thank you for choosing us.
assistant