Hi.
Hello. How can I aid you?
Earlier I made a reservation for my trip through an agent but, agent booked on wrong date. So, I request you to please change it to my actual date.
Sure, We are here to help you.
Thank you.
May I know your name?
I am Joseph Perez.
Give me a  minute.
Ok.
We didn't found any reservation by this name.
Ok, no problem. Thank you.
Thank you for reaching us.