You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you ?

USER: I would like to book a flight ticket.

ASSISTANT: OK, to proceed further, we need your journey points and journey dates.

USER: I want to book a ticket from Houston, TX-IAH to Phoenix, AZ-PHX.

ASSISTANT: Sure, what dates would you like to me book this plane ticket for ?

USER: My depart on Sep/29 and return on Oct/1.

ASSISTANT: OK, please wait for a moment to check availability and I return back to you.

USER: Sure.

ASSISTANT: Thanks for your waiting, we found a flight of direct connection and price of 100.

USER: You can proceed with the booking.

ASSISTANT: Sure, to proceed booking we need your name ?

USER: Carol Adams.

ASSISTANT: OK, your ticket has been confirmed with Southwest airline and the flight number is 1018.

USER: Thank you.

ASSISTANT: Thank you for connecting us, have a nice day.