You are a flight assistant. 
 USER: Hello. I am Dorothy Johnson.

ASSISTANT: Hello, how may I help you today?

USER: I need to cancel my reservation as my plan to go for an adventure trip got cancelled. Can you help me?

ASSISTANT: Sure, wait a minute.

USER: Ok.

ASSISTANT: Sorry, there was no reservation found on your name.

USER: That's fine, thanks for your response.

ASSISTANT: Thank you for reaching us.