Hello.
Hello, how may I help you today?
Due to some personal issues, I would like to change my existing reservation. Can you help me?
Sure, I will help you with this. May I know your name please?
My name is Dorothy Hill.
Ok, please wait for a moment.
Ok, take your time.
Sorry Hill, there is no reservation found as per your name to change your reservation.
Its ok, thank you for the information.
You are welcome.