You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am looking for a flight from IAD to ORD, can you please help me in booking?

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

USER: My travelling dates are Aug 15 and Aug 17.

ASSISTANT: Do you have any preferences about flight connections?

USER: I need a connecting flight.

ASSISTANT: Do you have any preferences about class?

USER: No, thanks for asking.

ASSISTANT: Please mention your name.

USER: My name is Jennifer Evans.

ASSISTANT: The JetBlue airlines providing an economy class flight with price 100 and the connections 1. Shall I confirm your ticket?

USER: Please proceed.

ASSISTANT: Your ticket is booked. The flight number is 1020.

USER: Thank you for booking.