Hello.
user
Hello. How can I help you?
assistant
Due to sudden change in my exam dates I need to change my existing reservation.
user
Sure, I am glad to help you with that.
assistant
Thank you.
user
May I know your name for the further process?
assistant
I am Donna Hall.
user
Sorry to tell you, there is no previous reservation found under your name.
assistant
No problem. Thank you for the information.
user
Donna Hall, thank you for choosing our agency. Have a great day.
assistant