Hello.
Hello, how can I assist you now?
I want to change my existing reservation. Could you help me with that?
Sure, I will help you with that.
Thank you.
May I know your good name?
Daniel Brown here.
Please wait for a moment.
Ok.
Thank you for waiting, sorry there is no reservation found on your name in our system data.
That's ok, no problem. Thank you.
Thank you for visiting us, have a nice day ahead.