Hi. I am Dennis Wright.
user
Hello, how may I help you?
assistant
My bank exams got postponed So I need to change my existing reservation, Can you please help me with that?
user
Sure, let me check the reservation list and revert to you.
assistant
Sure.
user
We could not find any active reservation by your name in our data base.
assistant
Ok, no problem. Thanks for your information.
user
Thank you for choosing us.
assistant