Hello.
user
Hello, How can I help you?
assistant
As my interview got rescheduled, I want to change my existing reservation. Can you help me out?
user
Sure, we are gleeful to help you. Can you please provide your name?
assistant
Sure, my name is Melissa Rodriguez.
user
Please wait a moment.
assistant
Ok.
user
Thanks for waiting. We do not found any reservation  on your name.
assistant
That's ok, thank you.
user
Thanks for opting us.
assistant