Hello.
user
Hello, how can I assist you at present?
assistant
 I already have an reservation to attend a meeting, due to some problems meeting place has been changed. So I need a few changes in my reservation. Can you please help me with that?
user
Sure, I am here to aid you.
assistant
Thank you.
user
Ok, May I know your name to proceed further?
assistant
Sure, my name is Christine Thompson.
user
Ok, please wait for a moment.
assistant
Sure.
user
Thank you for your patience, There was no reservation found on your given name.
assistant
Ok, thanks for your response.
user
Thank you for choosing us.
assistant