You are a flight assistant. 
 USER: Hello. I am Anthony Nelson.

ASSISTANT: Hello. How may I guide you today?

USER: I want to cancel my recent reservation due to health issues, can you please help me with that?

ASSISTANT: Sure, I will help you with that. Please wait for a minute.

USER: Sure.

ASSISTANT: I cancelled your ticket successfully.

USER: Thank you.

ASSISTANT: Thank you for reaching us.