Hello.
Hello. How can I assist you now?
I would like to change my existing reservation, which is done recently. Can you please help me out?
Sure, can I have your good name please to check your reservation status?
Thank you for considering my request. Myself Jennifer Garcia.
Ok,  please wait a  moment.
Sure, I will wait for your response.
Sorry Jennifer Garcia, no reservation has found under  your name to change.
Not an issue, anyway thank you for the information.
Thank you for choosing us.