You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: My trip is cancelled, so I have to cancel my reservation. Can you please help me out?

ASSISTANT: Sure, I will help you with this. May I know your name please for further process?

USER: My name is Amy Hall.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry Hall, there is no reservation found as per your name to cancel your reservation.

USER: No problem, thank you for the information.

ASSISTANT: You are welcome.