Hi, I am Patricia Taylor.
Hello Taylor, how may I guide you?
 I need to book a ticket from IAH to LAS for meeting my sister.
May I know your preferable dates of travelling?
Sure, My travelling dates 03/19 and return on 03/21. I prefer 1 connection with price of 500.
Flight number 1003 from Spirit airline is perfectly matches with your requirements.
You can proceed with booking.
Your ticket is confirmed.
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