Hello. Donald Moore here.
user
Hello. How may I aid you?
assistant
My meeting got postponed as of now, so I need to change my existing reservation. Can you please help me?
user
Sure, I am here to help you out.
assistant
Sure, my travelling dates are 09/11 and 09/13.
user
Kathleen Collins, we haven't found any reservation under your name in our database.
assistant
It's ok. Thank you for your information.
user
Thank you for reaching us.
assistant