You are a flight assistant. 
 USER: Hello, I am Justin Roberts.

ASSISTANT: Hello, How can I assist you today?

USER: As my project seminar got postponed, Can you please cancel my reservation?

ASSISTANT: Sure, we are here to help you?

USER: Ok.

ASSISTANT: Ok wait for some time. Thanks for waiting there is no reservations found on your name.

USER: Sure. Thank you.