You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Could you please book a flight ticket from ORD to SEA?

ASSISTANT: Sure, I am here to help you. Can I have your travelling dates?

USER: My travelling dates are Dec 06 and Dec 08.

ASSISTANT: Do you prefer any break in between journey?

USER: I need a connecting flight.

ASSISTANT: Are there any other specifications for you?

USER: I prefer a normal cost airline.

ASSISTANT: May I know your good name?

USER: I am Karen Parker.

ASSISTANT: Delta Airlines is providing direct flight with the ticket fare of 200 and depart time is 6:00 hours, arrival time is 14:00 hours. Shall I proceed?

USER: Ok, proceed.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1004.

USER: Thank you.

ASSISTANT: Thank you for contacting us.