Hi. I am Benjamin Jackson.
user
Hello, how may I provide service to you?
assistant
 Will you please help me in changing my reservation as the food festival which I want to attend got postponed? Can you help me out?
user
Sure, we are here to help you.
assistant
Thank you.
user
Please wait for  a while.
assistant
Sure.
user
Thank you for your time. Sorry to notify, there is no reservation found on your given name.
assistant
Not an issue. Thank you.
user
Thank you for choosing us.
assistant