Hello.
user
Hello, how may I help you?
assistant
I want to change my existing reservation. Can you please help me with this?
user
Sure, may I know your name?
assistant
Sure, my name is Jason Perez.
user
Hold on a minute.
assistant
Ok.
user
Sorry, there was no reservation found on your name.
assistant
Ok, no problem. Thank you for checking.
user
Thank you for choosing us.
assistant