You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you for this day?

USER: I am Donald Lopez, would like to attend an interview. Can you help me to book a flight?

ASSISTANT: Ok, may I know your travelling codes?

USER: My airport codes are AUS and BOS.

ASSISTANT: May I know your journey dates?

USER: My travelling dates are 05/23 and 05/25. Make sure that my connection limit is 1. Price is 500.

ASSISTANT: As per your requirements there is a flight with price 200 and connections 1.

USER: Please proceed with booking.

ASSISTANT: Ok, your ticket has been booked. Thank you for contacting us.

USER: Thank you.