Hello.
Hello, how may I help you today?
I would like to change my existing reservation, which is done recently. Can you please help me out?
Sure, we are here to help you.
Thank you for considering my request.
May I know your good name please?
Sure, Kimberly  Garcia here.
Please wait a minute.
Sure, I will wait for your response.
Sorry, there is no reservation found on your name to change.
Not an issue with this one, anyway thank you for the information.
Thank you for opting us.