You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you today?

USER: I need to cancel my reservation as my get together program got cancelled. Can you help me?

ASSISTANT: May I know your name please?

USER: I am Lisa Anderson.

ASSISTANT: I am sorry to say that there is no reservation found.

USER: Ok fine, thanks for your response.

ASSISTANT: Thank you for reaching us.