Hi.
user
Hello. How may I help you?
assistant
 I want to cancel my recent reservation, because I want to travel  with my friends by road.
user
Sure, we are here to help you. May I know your name please?
assistant
Elizabeth Lee 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
Thanks for contacting us.
assistant