Hello.
Hello, how can I help you today?
I want to change my existing reservation, which is done recently. Can you please help out?
Sure, may I know your good name?
Thank you for considering my request. My name is Jeffery Roberts.
Please wait for a moment.
Sure, I will wait for your response.
Sorry to say that, no reservation was found with your good name.
That's ok, no problem. Thank you for the information.
Thank you for reaching us.