You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How may I aid you today?

USER: Please book a ticket from Houston, TX-HOU to Phoenix, AZ-PHX.

ASSISTANT: Sure, I am happy to help you with that. On which travelling dates that you want to start your trip?

USER: Departure is on 02/21 and 02/23 is my return date.

ASSISTANT: May I know your name please?

USER: I am Katherine Roberts.

ASSISTANT: I found a ticket for you with price 100, flight number is 1006 and connection is 1. Is it ok for you?

USER: Please book a ticket.

ASSISTANT: I confirmed your ticket successfully.

USER: Thanks for ticket confirmation.

ASSISTANT: Thank you for contacting us.