You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Myself Carol Campbell. I made a reservation earlier this week to give a seminar, but my seminar has been postponed. Will you help me in changing  the reservation?

ASSISTANT: Sure, we are perky to help you.

USER: Thank you for accepting my request.

ASSISTANT: Please be on hold. There is no reservation found on your name in our database.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for availing us.