You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Brenda Edwards. I want to book a flight ticket from PA - PHL to NY - JFK, could you please help me in booking a flight ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: I want to fly on 02/21 and return on 02/23.

ASSISTANT: How much you can afford for this ticket?

USER: My price limit is 200.

ASSISTANT: We found a flight on your details with airline Spirit, flight number: 1004. Shall I book this ticket?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you so much for choosing us.