Hello.
user
Hello. How may I assist you?
assistant
I need to change my reservation which I have done to participate in dance event but unfortunately dance event got postponed to next month, can you please change my reservation?
user
I am so sorry that you could not attend your dance event, may I know your name to  check your booking status?
assistant
Sure, my name is Stephen Miller.
user
Ok, give me a moment please.
assistant
Ok.
user
I could not a find any reservation by your name Stephen Miller, sorry for the inconvenience.
assistant
Oh! it's ok  no problem. Thank you for your information.
user
Thank you for choosing our agency, keep reaching us for your further bookings. Have a nice day.
assistant