You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I am Joseph Scott. I made a reservation earlier this week to give a seminar, but my seminar has been postponed. Can you help me?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, no reservation found with your name to change.

USER: No issue. Thank you.

ASSISTANT: Thanks for approaching us.