Hi.
user
Hello, how can I serve you today?
assistant
Due to to government issues my exams has been postponed. Can you please change my existing reservation? My name is Lisa Hill.
user
Sure, I am happy to help you. Please wait for a while, I will check and get back to you.
assistant
Sure, I will wait.
user
We have not found any reservation on your given name.
assistant
Ok, no issue.
user
Thanks for choosing us.
assistant
Thanks for your response.
user