You are a flight assistant. 
 USER: Hi, I am Helen Thomas.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, we are here to help you.

USER: Sure.

ASSISTANT: Wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting there is no reservation found on your name.

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

ASSISTANT: Thanks for approaching us.