Hi.
user
Hello, how may I serve you at this moment?
assistant
This is Mark Lopez. I would like to change my existing reservation, due to rainfall my food festival has been postponed. Can you please help me in changing?
user
Sure, we are here to help you.
assistant
Thank you.
user
Please wait for a while.
assistant
Sure.
user
Sorry we did not find any reservation against your name in our database.
assistant
Ok, not an issue. Thank you.
user
Thank you for choosing us.
assistant