You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Can you help me to cancel my reservation?

ASSISTANT: May I know your name?

USER: Sure, my name is Donna Miller.

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

USER: No issues, thank you for your time.

ASSISTANT: Thank you.