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

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to attend a Science exhibition at Houston, TX - IAH, can you help me with the booking process?

ASSISTANT: Sure, could you please share your origin code?

USER: My origin is at Detroit, MI - DTW.

ASSISTANT: May I know your preference connections and price limit?

USER: The price should not exceed 200. I need a connecting flight.

ASSISTANT: Can I have your planned dates?

USER: I want to fly on 09/25 and intend to return on 09/27.

ASSISTANT: Ok, please wait for a while, let me check with the airlines and let you know.

USER: OK.

ASSISTANT: Thanks for your valuable time, we are glad to inform you that we have found a Spirit airline, flight number-1004 connections-1 and price limit is 100. Shall I proceed with the booking?

USER: Ok, please make it confirm.

ASSISTANT: Sure, your seat reservation is done.

USER: Thanks for your help and support.

ASSISTANT: Thanks for picking us, have a happy journey.