You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need you to book a flight ticket from HOU to ORD, please help me.

ASSISTANT: Please provide your trip dates.

USER: November 03 and 05 are my planned travelling dates.

ASSISTANT: Do you need any other specifications?

USER: Nothing much to state.

ASSISTANT: May I know your name?

USER: William Taylor here.

ASSISTANT: Southwest Airlines is providing connecting flight on this route with a ticket fare of 100 and flight departs at 19:00 hours and arrives at 16:00 hours, shall I book your ticket in this flight?

USER: Yes, please book it.

ASSISTANT: Your ticket is confirmed in flight 1009.

USER: Thank you very much.

ASSISTANT: Thank you for opting us.