You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jack Lopez.

ASSISTANT: How can I help you?

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

ASSISTANT: Sure, I am here to help you. Please stand by I will get back to you.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry to say no reservation found on your name.

USER: No worries, thank you for the information.

ASSISTANT: Thank you for reaching us, have a nice day.