You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Myself William Brown from Houston. I would like to visit Phoenix next week. Can you please book a flight ticket from IAH to PHX?

ASSISTANT: Sure, may I know your travelling dates?

USER: Thank you for your positive response, I want to take off on 03/01 and please confirm my return ticket also on 03/03.

ASSISTANT: There is a flight which can travel to your region having a single lay out in between your journey having a ticket fare of 100 which is provided by Frontier airlines. Would you like to book this flight for your journey?

USER: That's fine, please confirm this flight ticket for me.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Most welcome.