You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you?

USER: I am Anthony Miller. I want to attend Global Leadership Summit in Denver, DEN. Can you book a flight ticket for me with the price range of 5000?

ASSISTANT: Sure, may I know your trip dates please?

USER: My dates on 06/01 to 06/03. I need direct flight. My origin point is DTW.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting we found single connection airline.

USER: Ok, do not proceed with booking.

ASSISTANT: Ok, Thanks for choosing us.

USER: Thank you for your information.