You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Amy Roberts here. Can you please help me in booking a flight ticket from PHX to PHL?

ASSISTANT: Sure, can you please provide me with your dates of travel?

USER: I would like to travel on Apr 11 and need to return on Apr 13.

ASSISTANT: May I know your budget limit please?

USER: I can afford upto 500 with economy class.

ASSISTANT: There is a flight with the connecting flight of fare 100 of Spirit airline, are you ok with this booking?

USER: Please proceed with the booking.

ASSISTANT: Ok, your booking is done with the flight number 1003.

USER: Thank you for your information.

ASSISTANT: You are welcome, have a safe journey.