Hello.
Hello, how can I help you today?
I want to change my existing reservation. Can you help me in that?
Sure, we are here to assist you.
Thank you.
May I know your good name please?
Sure, Barbara Lee is my name.
Please wait for a while.
Sure.
Thanks for your time, there is no reservation found in your name.
That's ok, not an issue. Thanks for your kind information.
Thank you for reaching us.