Hello, I am Margaret Miller.
user
Hello, how may I assist you?
assistant
I need to change my existing reservation due to postpone of my seminar in my college. Would it be possible to modify with my recent reservation?
user
Sure, please wait a moment, I will check the reservation.
assistant
Sure.
user
There is no reservation on your name.
assistant
No problem, thank you for the information.
user
Thanks for choosing us.
assistant