Hello.
Hello. How may I assist you today?
I would like to change my existing reservation, which is done recently. Can you please help me out?
Sure, may I know you name for checking the details.
Thank you for considering my request.
Please wait a moment.
My name is Jack Clark.
Sorry, there are no active reservations on your given name to change.
Not a problem, anyway thank you for the information.
Thank you for reaching our service.