Hello.
Hello, how can I assist you today?
I would like to change my existing reservation, which is done recently. Can you please help me out?
Sure, may I know your name please?
Thank you for considering my request. Myself Gary Lee.
Ok, please wait for a moment.
Sure, I will wait for your response.
Sorry, there was no reservation found with your given name.
Not an issue with this one, anyway thank you for the information.
Thank you for choosing us.