You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I serve you today?

USER: I am Kimberly Hill, Can you help in booking a flight ticket?

ASSISTANT: Sure, please provide me your journey details?

USER: I would like to travel on Sep/23 from NV-LAS to TX-AUS, And return on Sep 25.

ASSISTANT: Please wait for a moment.

USER: I prefer to have price limit of 200 with connection limit 1. Sure,.

ASSISTANT: Thank you for waiting, sorry to inform you there is no any flight available.

USER: That's fine, Thank you for the information.

ASSISTANT: Thank you, have a good day.