Hello.
user
Hello, how may I help you?
assistant
I want to change my existing reservation. Can you please help me in that?
user
Sure, we are here to help you.
assistant
Thank you.
user
May I know your name please?
assistant
Jerry Moore here.
user
Sorry to inform you that there is no active reservation on your given name.
assistant
Ok, not an issue. Thank you.
user
Thanks for contacting us.
assistant