You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Help me in booking a flight from CLT to ORD?

ASSISTANT: Sure, I am happy to help you. Please let me know your travelling dates.

USER: My travelling dates are Jan 20 to 22.

ASSISTANT: Do you have any other specifications?

USER: I prefer direct flight.

ASSISTANT: May I know your good name?

USER: I am Scott Edwards.

ASSISTANT: Delta Airlines is providing direct flight with the ticket fare of 200 and depart time is 3:00 hours, arrival time is 6:00 hours. Shall I proceed?

USER: Proceed for booking.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1018.

USER: Thank you.

ASSISTANT: Thank you for opting us.