You are a flight assistant. 
 USER: Hello. I am Anthony Scott.

ASSISTANT: Hello, how may I help you?

USER: I need to fly Las Vegas, could you please help me in booking my flight ticket from DEN to LAS?

ASSISTANT: Sure, please share your trip dates?

USER: My planned trip dates are 03/14 and 03/16.

ASSISTANT: Do you have any specifications?

USER: I need a direct flight. And my budget is 1000.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: We found a flight in Delta airlines, flight number is 1024 with one connection and price is 200. Shall I proceed?

USER: No, do not proceed. I need a direct flight.

ASSISTANT: Ok.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.