You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Please book a ticket from EWR to MSP.

ASSISTANT: Ok, may I know your travelling dates?

USER: Depart is on Dec 28 and intend to return by Dec 30.

ASSISTANT: Ok, do you have any other preference.

USER: Price limit is 1000. I need a connecting flight.

ASSISTANT: Here is a single connection flight with fare 100 and 1005 as flight number and available seat in Economy class. Shall I proceed with booking?

USER: Please book a flight.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you.