Hello.
Hello. How can I assist you at this moment?
I would like to change my reservation as I am leaving for delegates meet, can you please help me out?
Sure, I am happy to help you with that.  Can I have your good name to check your reservation status?
Emily Davis here.
Ok, please wait a moment.
Sure.
Sorry Emily Davis, no reservation has found under your name to change.
Ok no problem, thank you for your services.
Thank you for choosing us.