You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Benjamin Green.

ASSISTANT: How can I assist you at this moment?

USER: I would like to travel from PHX to DFW, could you help me out?

ASSISTANT: Sure, I will help you with this. Can you please provide your journey dates?

USER: My preferable dates are from 5-7 Jan.

ASSISTANT: Do you need any halt in this journey?

USER: Yes, it is 1.

ASSISTANT: Wait a moment please.

USER: Ok.

ASSISTANT: Southwest airlines with connecting flight is available on this route with a ticket fare of 200, shall I book your ticket?

USER: Please proceed.

ASSISTANT: Benjamin Green, your ticket is booked in flight number 1018.

USER: Thank you.

ASSISTANT: Thank you and have a safe journey.