Hello. I am Barbara Martin.
user
Hello. How can I serve you?
assistant
I need to change my existing reservation as my exams got postponed some technical issues, Can you please help me with that?
user
Sure, We are here to help you. Give me a minute.
assistant
Sure.
user
Thanks for your time. We didn't found any reservation by this name.
assistant
Ok, no problem. Thanks for your information.
user
Thank you for consulting us.
assistant