You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I just want to cancel my existing reservation as my trip got cancelled due to my illness. Can you please help me with that?

ASSISTANT: Sure, may I know your name please?

USER: My name is Virginia Phillips.

ASSISTANT: I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: No worries at all, thank you for your information.

ASSISTANT: Thank you.