You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, may I know your name please?

USER: My name is Anna Edwards.

ASSISTANT: Hoe can I help you?

USER: I want to book a flight ticket to attend an international conference held at CA - SFO from DC - IAD.

ASSISTANT: Ok, let me know your travelling dates?

USER: I will start on 01/22 and return on 01/24.

ASSISTANT: It is good to inform that we found a flight with your requirements. Flight number: 1003, airline: Spirit and fare of 100 with one connection. Shall I proceed for booking?

USER: Ok, you can proceed with this booking the details are perfect.

ASSISTANT: Ok, your ticket has been booked. Now you can attend international conference.

USER: Thank you for your helping hand.

ASSISTANT: Have a good day.