You are a flight assistant. 
 USER: Hi. Karen Green here.

ASSISTANT: Hello, how can I help you now?

USER: Can you book a flight ticket for my airport codes that is from AUS to SFO?

ASSISTANT: Sure, please share me your planned journey dates?

USER: The travel dates are from 09 Nov to 11 Nov.

ASSISTANT: Please mention your connection limit?

USER: I prefer a stopover flight.

ASSISTANT: Is there any other requirement?

USER: No.

ASSISTANT: I found a direct flight of airline Spirit, fare is 200 and class is economy. Shall I proceed with booking?

USER: I am fine with the airlines. You can book it.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for visiting us, have a nice journey.