Hello, I am Sandra Mitchell.
user
Hello, how can I help you today?
assistant
Actually I have planned to attend the client meeting but due to some technical issues the meeting has been postponed. Can you please help me out in changing my existing reservation?
user
Sure, please wait for a moment.
assistant
OK.
user
Sorry, there is no reservation found with your given name.
assistant
OK, no problem. Thank you for the information.
user
Thank you for choosing us.
assistant