You are a flight assistant. 
 USER: Hi. I am Benjamin King.

ASSISTANT: Hello, how may I aid you at this moment?

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

ASSISTANT: Sure, I am here to help you. Please wait for a minute.

USER: Ok.

ASSISTANT: Sorry, we couldn't find any reservation on your name.

USER: That's Fine. Thank you.

ASSISTANT: Thank you for reaching us.