Hello, my name is Anthony Hernandez.
user
Hello, how can I assist you today?
assistant
I want to change my existing reservation due to postpone of bike race.
user
Sure, please wait for a moment. I will check and get back to you.
assistant
Ok, I will wait.
user
Thank you for waiting, sorry to say that, no reservation was found with your good name.
assistant
No problem, thank you for your service.
user
Thank you for opting us. Have a nice day.
assistant