You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Dennis Allen, I am planning to visit my friend to celebrate his birthday. Can you book a flight with single connection?

ASSISTANT: Sure, we are here to help you. Please help me with your airport locations?

USER: I will fly from CA-LAX to PA-PHL.

ASSISTANT: How much you can afford for ticket fare?

USER: My budget is 500 for flight ticket.

ASSISTANT: May I know on which dates you are willing to travel?

USER: I will fly on 08/31 and return on 09/02.

ASSISTANT: Ok, please hold on a moment.

USER: sURE.

ASSISTANT: Thanks for holding on, flight- 1003, airline- Delta, price- 100 with connection matches your requested details. Would you like me to proceed?

USER: Please proceed with booking.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.