Hi.
user
Hello, how can I help you?
assistant
Yes, I'm Nancy Johnson. I want to change my reservation, can you please help me out?
user
Yes, I am here to help you only. Please wait for a minute, I will go through the details. There is no reservation found on your name, Nancy.
assistant
It's ok, thank you for the information.
user
Thank you for using our service. Have a nice day.
assistant