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