You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I render you today?

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

ASSISTANT: Sure, for that I need to know your name, can you provide it?

USER: Kenneth Lewis.

ASSISTANT: Just a moment I will check and revert to you.

USER: Ok.

ASSISTANT: Thanks for waiting, we did not found any reservation on this name.

USER: No issue.

ASSISTANT: Thanks for reaching us.

USER: Thank you for the information.