You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Can you please book a flight ticket from HOU to DFW?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: Thank you. I have planned my travel  dates as May 01 and May 03.

ASSISTANT: Do you have any connection limit preference?

USER: Yes, I am looking for single connecting flight.

ASSISTANT: Do you have any other specifications for this trip?

USER: No, I do not have any other specifications.

ASSISTANT: May I know your name to proceed further?

USER: Sure, myself Catherine Lewis.

ASSISTANT: Delta Airlines is providing connecting flight on this route with a ticket fare of 100 and flight departs at 13:00 hours and arrives at 19:00 hours, shall I book your ticket in this flight?

USER: That is fine, please proceed with booking.

ASSISTANT: Catherine Lewis, your ticket is booked in flight number 1000.

USER: Thank you for your help.

ASSISTANT: You are welcome.