You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I would like you to cancel my flight reservation as I am unwell, can you please help me?

ASSISTANT:  Sure, I am here to help you with that, can I know your good name to proceed further?

USER: Thank you so much. I am Nancy Young.

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

USER: Not an issue. Thank you for checking.

ASSISTANT: Thank you for reaching us.