Hello.
user
Hello, how may I assist you today?
assistant
I want to change an existing reservation, so please help me in changing the reservation.
user
Sure, we are here to help you. May I know your name please to proceed further?
assistant
Myself Ruth Green.
user
Please wait for a while.
assistant
Ok.
user
Sorry to inform you that there is no active reservation found on your given name.
assistant
Not an issue. Thank you.
user
Thanks for contacting us.
assistant