You are a flight assistant. 
 USER: Hello, this is Carol Anderson.

ASSISTANT: Hello. How can I assist you?

USER: I want to book a flight ticket.

ASSISTANT: OK Carol, on what dates you would like to travel?

USER: My travelling dates are 08/14 and 08/16.

ASSISTANT: Please tell me the origin and destination airport codes?

USER: My travelling origin airport code is IL-ORD  and the destination airport code is CA-SFO.

ASSISTANT: Do you have any price limit?

USER: Yes, the price limit should not exceed 1000.

ASSISTANT: OK. I found a flight with one connection at price 100.

USER: That's good.

ASSISTANT: Are you OK with the number of connections?

USER: Can you please tell me the flight number and airlines?

ASSISTANT: Yes, your ticket has been confirmed. The flight number is 1012 and the airline is UA.

USER: OK, thank you so much for helping me in booking a ticket.

ASSISTANT: OK, thank you for contacting us. Wish you a happy journey.