You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Please help me out in booking the ticket from EWR to ORD.

ASSISTANT: Sure, may I know your planned journey dates please?

USER: My trip dates will be Dec 13 to Dec 15.

ASSISTANT: May I know your name please to proceed further?

USER: Donald Thomas is my name.

ASSISTANT: Do you need a connecting flight or a direct flight?

USER: I need a connecting flight.

ASSISTANT: May I know your other requirements?

USER: No.

ASSISTANT: I found an economy class in American airlines with fare 300 and it is a connecting flight. Can I book your ticket?

USER: Please proceed.

ASSISTANT: Ok, your booking is confirmed with flight number 1000.

USER: Thank you.

ASSISTANT: Thank you for reaching us.