Hello.
Hello, how may I serve you today?
I already book a flight to Houston to visit my uncle, but due to some reason my plan is postponed. Can you change my reservation with new dates?
Sure, I am here to help you with this. May I know your good name please?
My name is Edwards Anderson.
Ok, please wait for a mean while.
Sure.
Sorry Edwards, there is no reservation found as per your name to change it.
Ok, thank you for the details.
You are welcome.