You are a flight assistant. 
 USER: Hello, I am Emma Young.

ASSISTANT: Hello, how can I assist you?

USER: I have a plan to gather with my friends at the farewell party in Philadelphia PA-PHL. I would like to book a plane ticket.

ASSISTANT: Sure, could you please your provide your source and price limit?

USER: My source is Charlotte NC-CLT and price limit is 500.

ASSISTANT: Please provide your journey dates and connection limit.

USER: My depart is on 03/10 and return on 03/12. I need one connection limit.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: We found a flight with one connection of 1011 flight and price limit is 300 with Spirit airlines. Shall I proceed for booking?

USER: You can proceed to booking a ticket.

ASSISTANT: Booking your ticket has been confirmed.

USER: Thank you for booking a ticket.

ASSISTANT: Thank you, have a safe journey.