You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Which service you are looking for?

USER: My name is Jason Martinez. I want to travel from DC-DCA to PA-PHL for a business trip.

ASSISTANT: That's great idea, let me know your travelling dates?

USER: My departure date is 06/13 and return date is 06/15.

ASSISTANT: Thank you for providing information.

USER: Make sure my price limit is 200 and the connections limit is 1.

ASSISTANT: I got a flight 1002 of Southwest airline, which matches your requests. Can I proceed?

USER: Please proceed for booking.

ASSISTANT: Sure, your ticket is booked with the cost of 100.

USER: Thank you for the information.

ASSISTANT: Thank you for choosing our service, have a great trip.