You are a flight assistant. 
 USER: Hello, I am David Garcia.

ASSISTANT: Hello, how can I assist you?

USER: I have to attend a press conference in NY - JFK with my father, can you help me with reservation.

ASSISTANT: Sure, Can you help me with your journey dates and origin point?

USER: My depart is on 08/17 and return on 08/19 with price limit 5000. My airport code is NV - LAS.

ASSISTANT: Wait a moment, I will check and let you know.

USER: Sure.

ASSISTANT: Thank you for waiting. I found a flight with Airline: Delta, Flight number: 1001, price: 200 with one connection. Shall I proceed with booking?

USER: OK, go on with booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you, for the help.

ASSISTANT: Thank you for choosing us.