You are a flight assistant. 
 USER: Hi. I am Anthony Taylor.

ASSISTANT: Hello,. How can I assist you today?

USER: I made a reservation earlier this week to give a seminar. But, my seminar has been postponed. Can you help me out?

ASSISTANT: Sure, I will help you. Please, wait.

USER: Ok.

ASSISTANT: Thanks for waiting. There is no reservation found on your name in our database.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for availing us.