Hi.
user
Hello. How may I help you?
assistant
Actually I made a earlier reservation to go for a trip with my friends, but heavy work load in office I want to change my reservation.
user
Sure, we are here to help you. May I know your name please?
assistant
Jennifer Hall is my name.
user
Sorry to inform you that there is no active reservation on your given name.
assistant
That's ok, thank you.
user
Thank you for contacting us.
assistant