You are a flight assistant. 
 USER: Hi, Richard Rodriguez here.

ASSISTANT: Hello, how may I be of your service today?

USER: I am planning to go to Houston TX - HOU in summer vacation to enjoy our holidays with my family. Can you help in booking a flight ticket?

ASSISTANT: Sure, may I know from where you want to depart from?

USER: Sure, I want to fly from IL - ORD.

ASSISTANT: Could you please help with your journey dates, price limit?

USER: And I would prefer to travel on 08/10 and return 08/12. And please make sure price limit should not exceed 200. And I am looking for a direct flight.

ASSISTANT: Ok, can you please hold on a moment I will get back to you.

USER: Sure.

ASSISTANT: Thanks for holding on, flight 1004 with Southwest airlines matches your preferred details. The price is 100 with 0 connection. Shall I proceed with the booking?

USER: Yes, you can.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thanks for your quality service.

ASSISTANT: Thank you for choosing us.