You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I need you to book a fight ticket from SFO to IAH, please help me.

ASSISTANT: Sure, will you mention your travelling dates please?

USER: April 02 and 04, are my planned travelling dates.

ASSISTANT: Do you have any preferences about flight connections?

USER: Yes, I need a break in between my journey.

ASSISTANT: Do you have any preferences about class?

USER: Nothing much to state.

ASSISTANT: Please mention your name.

USER: Ruth Green here.

ASSISTANT: The Spirit airlines providing an economy class flight with price 100 and the connections 1. Shall I confirm your ticket?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked. The flight number is 1018.

USER: Thank you.

ASSISTANT: Welcome, have a great day.