Hello.
user
Hello, how can I help you?
assistant
I need you to make few changes in my recent booking, please help me.
user
Sure, I here to help you.
assistant
Thank you.
user
May I know name please?
assistant
My name is Deborah Jones.
user
Ok, please wait a minute.
assistant
Sure, I will wait.
user
Thank you for your time, sorry no reservation found on your name.
assistant
That's ok. Thank you.
user
Thank you for reaching us, have a  nice day.
assistant