You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Can you help me to book flight ticket from MCO to ORD?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Sure, my travelling dates are Dec 19 and Dec 21.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight which returns in the evening.

ASSISTANT: Do you have any other specifications?

USER: No, thank you for asking.

ASSISTANT: Please provide your name.

USER: I am Kevin Turner.

ASSISTANT: The Delta airline is providing an economy class flight with price 200 and the connections 1. Shall I confirm your ticket?

USER: Yes, you can confirm it.

ASSISTANT: Your ticket is booked. The flight number is 1014.

USER: Thank you for booking.

ASSISTANT: Welcome, have a great day.