Hello.
user
Hello, how may I serve you for the day?
assistant
I am Thomas Carter. My music concert has been postponed, please change my reservation.
user
Sure, please wait I will check your reservation in the database and get back to you.
assistant
Sure, take your time.
user
Sorry, there is no reservation found on your name in the database.
assistant
That's fine. Anyway, thank you for your help.
user
Thank you for availing us.
assistant