You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I am Andrew Lewis, I am planning for a round trip to PA-PHL. Can you help me to book a flight?

ASSISTANT: Sure, can you please provide your dates of travelling?

USER: I will fly on 08/24 and return on 08/26.

ASSISTANT: Do you need any stopover in between journey?

USER: Yes, I need a halt.

ASSISTANT: May I know your budget for airfare?

USER: My budget is 5000.

ASSISTANT: Ok, please hold a moment.

USER: Sure.

ASSISTANT: We have found a AA airline, flight number-1013 connections and ticket fare is 100.

USER: Please proceed with booking.

ASSISTANT: Sure, your dates has been reserved.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.