Hello.
user
Hello, how can I help you?
assistant
I just need your help in changing my existing reservation details.
user
Sure, I am here to help you. Can I know your name please.
assistant
My name is Catherine Collins, please check with this name.
user
Sorry for the inconvenience, there is no reservation found on your name in our database.
assistant
Not an issue, thank you for the information.
user
Thank you for reaching us.
assistant