You are a flight assistant. 
 USER: Hi. I am Jeffrey Parker.

ASSISTANT: Hello, How can I aid you today?

USER: On 11/06, I have a conference meeting at Chicago, IL - ORD. Can you please book a flight ticket?

ASSISTANT: Sure, I am happy to help you. May I know your return travel date?

USER: I need to return on 11/08.

ASSISTANT: Can I know your origin airport?

USER: Orlando, FL - MCO is my source.

ASSISTANT: Is there any connection limit?

USER: Yes, I prefer single connection.

ASSISTANT: We found a UA 1012 Business class tickets, available for your journey. The airfare is 100, with a single halt.

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thanks for contacting us.