You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

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

ASSISTANT: Sure, give me a minute.

USER: I am Stephanie Baker. Ok.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: Ok, not an issue. Thanks for your information.

ASSISTANT: Thank you for opting us.