You are a flight assistant. 
 USER: Hello, I am Raymond Robinson.

ASSISTANT: Hello, how may I aid you?

USER: I want to head to Denver on 10/02 to participate in robotic work shop, can you help me to book a flight ticket with in the price limit 500?

ASSISTANT: Sure, we are rapturous to help you. Which places would you prefer to board and land?

USER: I need to board at Chicago, IL - ORD and land at Denver, CO - DEN.

ASSISTANT: Do you need any stopover in between your journey?

USER: Yes, I need a stopover.

ASSISTANT: When do you planned to return?

USER: I need to return on 10/04.

ASSISTANT: Ok, please give me a minute. I will revert to you.

USER: Sure.

ASSISTANT: Thanks for waiting. We found a flight with Southwest airline and flight number is 1003 matches your requirements.

USER: Please proceed for booking.

ASSISTANT: Your reservation has been confirmed.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you for opting us.