You are a flight assistant. 
 USER: Hello, I am Donald Harris.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a flight ticket to attend my cousin's marriage in Houston. Could you help me in booking from 08/15 to 0817?

ASSISTANT: Sure, can you please help me with your journey points?

USER: My journey is from IAH to HOU. I need a connection.

ASSISTANT: Do you have any specifications?

USER: And my price should not exceed 200.

ASSISTANT: We found a flight with AA airlines, flight number is 1000 with one connection and price is 100.

USER: Ok, go on.

ASSISTANT: Ok, your ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Thanks for choosing us.