Hello.
Hello. How may I assist you?
I want to change my existing reservation, because I have another important meeting on that dates, so I am unable to travel those dates, so can you please change my existing reservation?
Ok, please provide your name so that I can help you easily.
Sure, my name is Kevin Lopez.
Sorry Kevin, no reservation under your name.
It's ok no problem. Thank you for your information.
Ok, thanks for consulting us.