You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I have to cancel my reservation due to bad weather condition, can you aid me?

ASSISTANT: May I know your name?

USER: Betty Nelson.

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

USER: No problem, thank you for helping.

ASSISTANT: Thank you.