Hello, Karen Davis here.
user
Hello Karen, how can I help you?
assistant
Actually, I need a little change in my previous reservation. So, please will you help me in changing my reservation?
user
Sure, give me a minute.
assistant
Ok.
user
Sorry Karen, there are no reservations on your name.
assistant
Oh! It's alright. Thank you for your quick response.
user
Welcome.
assistant