You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Can you help me to book a flight ticket from SEA to DFW?

ASSISTANT: Please provide your journey dates.

USER: My travel dates are 18 to 20 of July.

ASSISTANT: Do you need any other specifications?

USER: I need a connecting flight.

ASSISTANT: May I know your name?

USER: I am James Young.

ASSISTANT: United Airlines is providing connecting flight on this route with a ticket fare of 100 and flight departs at 16:00 hours and arrives at 17:00 hours, shall I book your ticket in this flight?

USER: Please proceed to booking.

ASSISTANT: Your ticket is confirmed in flight 1022.

USER: Thank you.

ASSISTANT: Thank you for choosing us.