You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: My name is Joseph Taylor. Due to health problem, I want to cancel my reservation.Could you please help me for that?

ASSISTANT: Nice meeting you Taylor. Sure Taylor, I can help you. Wait a moment.

USER: Ok.

ASSISTANT: Sorry Taylor, as per your information there is no ticket found in our data.

USER: Ok, thank you for the information.

ASSISTANT: Thank you reaching us with your query.