Hello, Nancy Davis here.
user
Hello. What can I do for you today?
assistant
My kids have planned to visit my parents in Las Vegas, but my leave is postponed. So I want to change my reservation.
user
Sure, please wait for a minute.
assistant
Take your time.
user
Are you sure, that you have booked with this name?
assistant
Not sure.
user
Then sorry, there is no reservation.
assistant
Thank you for checking.
user
It's my pleasure.
assistant