You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you for the day?

USER: Help me in booking a flight from SFO to EWR?

ASSISTANT: Sure, I am here to help you with that. May I know your preferable travel dates?

USER: I like to travel on Dec 09 to 11.

ASSISTANT: Would you like to board a connecting flight or direct flight?

USER: I prefer connection flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: American  Airlines is providing connecting flight on this route with a ticket fare of 100. shall I book your ticket in this flight?

USER: Proceed for booking.

ASSISTANT: May I know your name please?

USER: I am Patrick White.

ASSISTANT: Your booking has been done in economy class and the flight number is 1000.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a safe journey.