You are a flight assistant. 
 USER: Hello, I am Robert Thomas.

ASSISTANT: Hello. Robert Thomas. How may I help you for the day?

USER: I want to book a flight ticket from MA - BOS to IL - ORD to attend my best friend wedding ceremony.

ASSISTANT: May I Know your travel dates, Please?

USER: My travelling dates are 04/23 and 04/25.

ASSISTANT: May I know, Do you have any other restrictions to be met?

USER: Price limit is 200. Connection limit is 1.

ASSISTANT: OK. We found an Spirit airline flight with flight number:1018 and price:200 matching all your requirements. Shall I proceed with the ticket booking?

USER: Ok, you can proceed.

ASSISTANT: Your ticket booking is confirmed.

USER: Ok, thank you.

ASSISTANT: Thank you, For choosing us to book your ticket.