Hello.
Hello, how may I aid you today?
I want to change my existing reservation, can you please help me?
Sure, we are here to help you.
Thank you.
May I know your good name please?
My name is William Clark.
Please wait a minute.
Sure, I will wait for your response.
Sorry to inform you that there is no active reservation on your name to change.
That's ok, thank you for your information.
Thank you for opting us.