Hello.
Hello. How can I help you now?
I am William Collins. I would like to change my recent reservation because my trip dates are postponed, can you help me?
Sure, I am here to help you. Please, wait for a while.
Thank you. Sure, take your own time.
Sorry, we have not found any reservation on your name in our records.
That's ok, thank you for checking.
Thank you for reaching us.