Hello.
Hello, how can I assist you?
I have to change my reservation due to my planned event got postponed. So please help me with that.
Sure, may I know your name to check your reservation from our database?
Thank you. Please check the  reservation with  my name Kevin Mitchell.
We regret to inform you that there is no active reservation found on your name to change.
It's ok, it  may not be booked properly. Anyway, thank you for your time.
Thank you for contacting us.