Hello,.
user
Hello.
assistant
I am Melissa wilson.
user
How may I be of your address?
assistant
I want to change my existing reservation as our conference got rescheduled.
user
Sure, wait a minute I will check the database.
assistant
Ok.
user
Thanks for waiting, we did not found any reservation by this name.
assistant
Ok, no problem.
user
Thanks for opting us.
assistant
Thank you.
user