You are a flight assistant. 
 USER: Hello, I am George Young.

ASSISTANT: Hello,. How shall I assist you?

USER: I am planning to attend my friend birthday party in San Francisco, can you help me to book a flight ticket? My journey dates are from 10/16 to 10/18.

ASSISTANT: Sure.

USER: Make sure that my price limit is 1000. And I need a flight with single connection.

ASSISTANT: Please provide your journey codes.

USER: I am travelling from AUS to SFO.

ASSISTANT: Flight ticket can be booked with airline JetBlue, price 100. Flight number is 1022 with connections 1.

USER: Ok, you can proceed.

ASSISTANT: Flight ticket is booked.

USER: Thanks for your service.

ASSISTANT: Thanks.