You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER:  I want to cancel my recent  reservation due to sudden cancellation of my trip. Can you help me?

ASSISTANT: Sure, may I know your name?

USER: Benjamin Hernandez.

ASSISTANT: Sorry, there is no active reservation on your name.

USER: That's Fine, Thank you.

ASSISTANT: Thank you.