You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am no interest to go for the trip, so please help me to cancel my recent reservation.

ASSISTANT: Ok, before proceeding may I know your name?

USER: My name is Stephanie Evans.

ASSISTANT: Sorry to inform you Evans, there is no reservation found with your name to cancel.

USER: It's ok, thank you for the information.

ASSISTANT: Most welcome.