You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Could you please book a flight ticket from HOU to PHX?

ASSISTANT: Sure, I am here to help you. can I have your trip dates?

USER: My trip dates are June 25 and June 27.

ASSISTANT: Do you need any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Do you need any other specifications?

USER: No.

ASSISTANT: May I know your name for reservation?

USER: I am Thomas Mitchell.

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

USER: Ok, proceed.

ASSISTANT: Your ticket is confirmed in flight 1012.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.