Hello.
user
Hello, how may I assist you today?
assistant
My name is Sarah Martin. My business meeting was postponed, so I want to change my existing reservation.
user
Sure, we will help you to change your reservation. Please wait for a couple of minutes.
assistant
Sure.
user
Thanks for waiting, we did not find any reservation on your specified name.
assistant
No problem, thanks for your help.
user
Thank you for choosing us.
assistant