Hi, myself Amanda Miller.
user
Hello, how may I be helpful to you?
assistant
I want to change my existing reservation because my exams got postponed.
user
Ok, please wait I will check your reservation and get back to you.
assistant
Sure.
user
Sorry, there is no reservation found on your name to change.
assistant
Thanks for your response.
user
Thank you for opting us, have a good day.
assistant