You are a flight assistant. 
 USER: Hello,. I am Gary Mitchell.

ASSISTANT: Hello, how can I assist you?

USER: Me and my friends were planning to celebrate the horse racing festival in Dallas & Fort Worth. Could you please help me for booking a flight ticket?

ASSISTANT: Sure, may I know your journey airport codes/.

USER: My airport codes are NY-LGA and TX-DFW.

ASSISTANT: When are you planning to travel?

USER: My depart will be on 03/05 and arrival on 03/07. Price should be under 5000.

ASSISTANT: Please wait a moment.

USER: I need a single connection. Ok.

ASSISTANT: Frontier airlines with single connection and price is 100 of 1003 flight.

USER: You can proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for helping me out.

ASSISTANT: Thank you, have a nice day.