Hi.
user
Hello, how can I help you?
assistant
I made a reservation to attend my friend marriage reception, but the date has changed recently. So I want to change my existing reservation, can you help me?
user
Sure, please wait for a minute.
assistant
OK.
user
Sorry you to inform you that there is no reservation found on your name. Can you provide me your to continue further process.
assistant
I am Janet Jackson, thanks for your response.
user
Thank you.
assistant