Hello.
user
Hello, Please inform me, how can I best aid you now?
assistant
I am Melissa Martinez. Unfortunately my exams was changed so I want to change my reservation. Can you please help me that?
user
Sure, I can help you in that. Please wait for a while.
assistant
Ok, I will wait.
user
Sorry to say that, there is no active reservation found on your name.
assistant
That's not a problem. Thank you.
user
Thanks for choosing us, we hope to serve you again.
assistant