You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Joshua Brown.

ASSISTANT: How can I guide you at this moment?

USER: Please look for a flight from DFW to DCA, for attending a function at home.

ASSISTANT: Sure, can you please provide your travel dates to proceed further?

USER: Fine, my trip dates are from 12/18 and 12/20.

ASSISTANT: Wait a moment please.

USER: Ok.

ASSISTANT: UA airlines is available on this route with a ticket fare of 100 and 1 connection limit, shall I book your ticket?

USER: Yes, please proceed.

ASSISTANT: Joshua Brown, your ticket is booked with flight number 1014.

USER: Thanks for your help.

ASSISTANT: Thank you, have a safe trip.