You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I would like to cancel my recent reservation due to cancel of my new house warming ceremony. Can you please help me?

ASSISTANT: May I know your name?

USER: I am Jennifer Carter.

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 the information.

ASSISTANT: Thank you.