Hello, this is Charles Davis.
user
Hello, how may I help you today?
assistant
I want to change my existing reservation due to postpone of my exams. Can you help me in that?
user
Sure, I am mirthful to help you to change your reservation.
assistant
Thank you.
user
Please wait a moment.
assistant
Ok.
user
Sorry, I didn't find any reservation on your name in our database.
assistant
Ok, it is not an issue. Thank you for your quick response.
user
Thank you reaching us, have a nice day.
assistant