Hello.
user
Hello. How can I help you?
assistant
I want to do some modifications in my previous reservation, can you please help me?
user
Sure, I will help you to modify your previous reservation.
assistant
Thank you for accepting my request.
user
Ok, may I know your name to change your reservation.
assistant
Sure, my name is Brian Anderson.
user
Sorry, no reservation found on your name to change.
assistant
Not an issue, thank you for checking.
user
Welcome, have a nice day. Thank you for choosing us.
assistant