Hiu.
user
Hello.
assistant
I am Benjamin Smith.
user
How can I serve you?
assistant
I need to change my existing reservation, Can you please help me with that?
user
Give me a minute.
assistant
Sure.
user
Thanks for your time. We didn't found any reservation by this name.
assistant
Ok, no problem. Thanks for your information.
user
Thank you for approaching us.
assistant