You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I just want to cancel my recent reservation as my meeting got post pone due to some technical issues. Can you help me?

ASSISTANT: May I know your name please?

USER: I am Katherine Hernandez.

ASSISTANT: Katherine Hernandez sorry, no reservation found in our database.

USER: Ok, not an issue.

ASSISTANT: Thank you.

USER: Thank you for your information.