Hi.
Hello, how can I help you today?
Actually, I want to change my existing reservation which is done recently due to some problems, can you please help me out?
Sure, I am here to help you.
Thank you for considering my request.
May I know your name for changing the reservation?
Sure, my name is Kevin Martinez.
Sorry, there is no reservation found under your name.
Ok, not an issue. Thank you for your service.
Thank you for choosing us.