You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I want to cancel my reservation due to health problem, can you help me?

ASSISTANT: Ok, I can help you with it. Can you share your previous name of reservation?

USER: I am Patricia Jones.

ASSISTANT: Sorry Patricia Jones, I couldn't find any reservation under your name. Can I help you regarding other information, let me know?

USER: No problem, thanks for checking.

ASSISTANT: Thank you for consulting our agency. Have a great day.

USER: Welcome.