You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: My name is Alexander Hall. I want to meet my parents in New York, so please book a flight ticket from AZ-PHX to NY-EWR.

ASSISTANT: Ok, please may I know your journey dates?

USER: My departure day is 04/15, return day is 04/17. And my price limit is 500.

ASSISTANT: Ok, do you have any connection limit?

USER: Connections limit is one.

ASSISTANT: We found a flight with all your requirements on Frontier airline, flight number as 1000. Shall I proceed for booking?

USER: May I know the price and connections limit?

ASSISTANT: There is 1 connection and it cost 200.

USER: You can proceed to booking.

ASSISTANT: Your booking has been done.

USER: Thanks for booking a flight ticket.

ASSISTANT: Thank you for selecting our agency.