Hi.
user
Hello, do you need any help from us?
assistant
As my exam got postponed, I want to change my existing reservation. Can you help me out?
user
Sure, could I have your name please?
assistant
Sure, my name is Barbara Lopez.
user
Sorry, there is no reservation matching with your name in our portal to cancel.
assistant
That's ok, thank you.
user
You are welcome.
assistant