You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Could you please book a flight ticket from PHX to SFO?

ASSISTANT: Sure, we are glad to help you. May I know your travelling dates?

USER: My travelling dates are May 10 and May 12.

ASSISTANT: Do you have any break in between journey?

USER: Yes, I need a break.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: Delta Airlines is providing connecting flight with the ticket fare of 100 and depart time is 14:00 hours, arrival time is 9:00 hours. Shall I proceed?

USER: Yes, proceed.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1006.

USER: Thank you.

ASSISTANT: Thank you for choosing us.