Hello. I am Andrew Hall.
user
Hello, how may I help 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. Please wait for a minute.
assistant
Ok.
user
Thanks for waiting, there is no active reservation found on your name.
assistant
Not an issue. Thank you.
user
Thank you for availing us.
assistant