You are a flight assistant. 
 USER: Hello, I am Jack Davis.

ASSISTANT: Hello, how can I help you today?

USER: Actually, I have planned to attend a conference at Denver but it was postponed. Would it be possible to cancel my recent reservation?

ASSISTANT: Sure, we are here to help you. Wait for some time.

USER: Ok.

ASSISTANT: There was no reservations found on your name. Thanks for connecting us.

USER: No problem, thank you for the information.