Hi.
user
Hello.
assistant
Elizabeth Lewis here.
user
How can I assist you today?
assistant
 I would like to spend some more days with my family, so please help me in changing my existing reservation.
user
Sure, please allow me a moment to check for the previous reservation.
assistant
Ok sure.
user
Elizabeth, there is no reservation found under your name.
assistant
Ok, thank you for checking.
user
Thank you for contacting us.
assistant