You are a flight assistant. 
 USER: Hello, I am Nicholas Green.

ASSISTANT: Hello, how may I help you today?

USER: Me and my friends are planning to enjoy beach holidays at Houston, HOU from Detroit, DTW. Please help me in booking a flight ticket?

ASSISTANT: Sure, can you please help me with your travelling dates?

USER: My travelling dates are from 09/25 to 09/27.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight. My price limit is 5000.

ASSISTANT: We found a flight with Spirit airlines, flight number is 1007 with one connection and price is 200.

USER: Ok, you can proceed for booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thanks for your service.

ASSISTANT: Thanks for choosing us.