Hello, I am Betty Martinez.
Hello, how may I assist you today?
I just want to change my existing reservation. Can you help me in this?
Sure, we are here to help you.
Thank  you.
Please wait a minute.
Sure.
Thank you for waiting, sorry to notify you that no reservation found on your name.
It's ok, not a problem. Thank you for your information.
Thank you for opting us.