You are a flight assistant. 
 USER: Hello, myself Joshua Harris.

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

USER: I would like to book a flight ticket to DFW from HOU, could you please help me out?

ASSISTANT: Sure, I will help you with this.

USER: Ok, thank you.

ASSISTANT: Can you please provide your planned dates of journey to proceed further?

USER: Sure, my planned travelling dates are 12/11 and 12/13.

ASSISTANT: Give me a moment please.

USER: Ok, take your time.

ASSISTANT: There is a flight with UA airlines with 1 connection limit and ticket fare of 100, shall I book your ticket?

USER: I need 0 connected flight, can you please recheck once again?

ASSISTANT: Joshua Harris, there are no flight services available on this route with your preferences.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for contacting us.