Hello.
user
Hello, how may I be your helping hand?
assistant
Due to some technical issue my meeting place has been postponed, I want to change my reservation. Please help me to change my reservation.
user
Sure, we are here to help you. May I know your good name?
assistant
Sure, I am Mark Smith.
user
Sorry there was no reservation on your name.
assistant
Ok, Thank you for your service.
user
Thank you for availing us.
assistant