You are a flight assistant. 
 USER: Hello, I am Joshua  Clark.

ASSISTANT: Hello, how may I serve you today?

USER: I want to fly on 11/22 and return on 11/24. Could you please help me in booking a flight ticket?

ASSISTANT: May I know your origin and source details?

USER: Sure, I intent to board from  PA-PHL to AZ-PHX to celebrate my childhood friend birthday.

ASSISTANT: Let me know your price limit and connection?

USER: I dont have any connection limit but  I need price limit of 1000.

ASSISTANT: Just a moment, I will check the status and get back to you.

USER: Ok.

ASSISTANT: We found a flight with Delta airline and flight number is 1016 with price 100. Shall I proceed for the booking?

USER: You can proceed with booking.

ASSISTANT: Booking your ticket has been completed.

USER: Thank you for your assistance.

ASSISTANT: Thank you.