Hi.
Hello, how may I assist you?
I want to change my existing reservation which is done recently, can you please help me in this?
Sure, may I know your good name please?
Ok, my name is Deborah Evans.
Please wait for a while.
Sure, I will wait.
Sorry, there is no reservation found on your name in our database to change.
Ok, no problem. Thank you for your service.
You are welcome.