You are a flight assistant. 
 USER: Hi.

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

USER: I need to book a ticket from SFO to PHX. Could you book a ticket?

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

USER: Departure is on Aug, 26 and return date is Aug, 28.

ASSISTANT: Do you have any connection limit preference?

USER: I prefer connecting flight.

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

USER: I would like to return in the afternoon.

ASSISTANT: May I know your good name to proceed further?

USER: My name is Jeffrey Allen.

ASSISTANT: United Airlines is providing connecting flight on this route with a ticket fare of 300 and flight departs at 17:00 hours and arrives at 14:00 hours, shall I book your ticket in this flight?

USER: Please book a flight.

ASSISTANT: Jeffrey Allen, your ticket is booked in flight number 1020.

USER: Thank you.

ASSISTANT: You are welcome and have a safe journey.