You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Can you help me in booking a flight from DFW to SFO?

ASSISTANT: Sure, can you please provide your journey dates?

USER: My travelling dates are Aug 01 to 03.

ASSISTANT: Are you looking for any preferred connections?

USER: Yes, I prefer connection flight.

ASSISTANT: Do you have any other specifications to be met?

USER: I want to travel on Normal-cost airlines.

ASSISTANT: Let me know your name to proceed further?

USER: I am Brandon Lee.

ASSISTANT: We found a American airlines, flight number-1012 connections-1 class-economy and fare is 100. Shall I proceed with the booking?

USER: Proceed for booking.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.