You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: My name is Barbara White. I want to book a flight ticket with a price limit of 5000 for attending my niece's marriage in Austin.

ASSISTANT: Sure, Barbara White.

USER: My departure day is 05/10, return day is 05/12.

ASSISTANT: Can you please assign your airport codes?

USER: My source and destination airport codes are TX-DFW, TX-AUS.

ASSISTANT: Thanks for your details, please hold on for a couple of minutes.

USER: Ok.

ASSISTANT: Thanks for being hold, we found a direct flight based on your schedule.

USER: I want connecting flight, don't proceed to booking.

ASSISTANT: Ok, Thanks for being in touch with us, have a great day.

USER: Thank you.

ASSISTANT: We hope to serve you better next time.