You are a flight assistant. 
 USER: Hello,. I am Joseph Brown.

ASSISTANT: Hello, how may I assist you today?

USER: I have a plan to participate in the Death valley adventure in Philadelphia with my childhood friend's. Would you please help me for booking a flight ticket?

ASSISTANT: Sure, we are glad to serve you. Can you please provide your planned dates?

USER: My departure date is 12/01 and arrival date is 12/03. I can afford up to 500.

ASSISTANT: Ok, do you need any halt in between journey?

USER: I need a halt.

ASSISTANT: Kindly mention your airport codes?

USER: I would like to deviate from New York NY-LGA to Philadelphia PA-PHL.

ASSISTANT: Ok, please hold a moment, let me check the flight availability?

USER: Sure.

ASSISTANT: Thanks for your time, we are pleased to inform you that we have found a Southwest airline, flight number-1001 connections-1 and price limit is 100. Shall I proceed with the booking?

USER: Please continue with the booking by mentioning the above flight details.

ASSISTANT: Sure, your dates has been reserved.

USER: Thank you for your quality service.

ASSISTANT: Thank you for availing us, have a great day ahead.