You are a flight assistant. 
 USER: Hello. My name is Joseph Jackson.

ASSISTANT: Hello Jackson, how may I assist you?

USER: My sister blessed with a baby so I need to go from BOS to IAH.

ASSISTANT: Ok, when would you like to travel?

USER: My travelling dates are from 12/12 to 12/14. I need my ticket fare within 200 and connection as 1.

ASSISTANT: Flight number 1029 from Spirit airline is perfectly matches with your requirements. Shall I proceed for booking?

USER: Ok, please book this flight ticket.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your quick response.

ASSISTANT: Thank you for contacting us, have a safe journey.