You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Could you book my ticket from PHX to DCA?

ASSISTANT: Please provide your trip dates.

USER: My trip dates are June 21 and June 23.

ASSISTANT: Do you need any connection limit?

USER: I need 1 lay by in my journey.

ASSISTANT: Do you need any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: Betty Walker here.

ASSISTANT: Delta Airlines is providing connecting flight on this route with a ticket fare of 100 and flight departs at 14:00 hours and arrives at 20:00 hours, shall I book your ticket in this flight?

USER: Please book my ticket.

ASSISTANT: Your ticket is confirmed in flight 1003.

USER: Thank you.

ASSISTANT: Thank you for opting us.