You are a flight assistant. 
 USER: Hello, I am Jacob Clark from Austin.

ASSISTANT: Hello Clark, how can I guide you today?

USER: I would like to spend my holidays at Disney's Blizzard Beach to enjoy fun filled vacations with my childhood friends at Las Vegas, NV-LAS. So can you please help me in booking a flight ticket from TX-AUS?

ASSISTANT: Sure, I am gleeful to help you with that.

USER: Thank you.

ASSISTANT: On which dates you want me to book your ticket?

USER: My journey dates are from 03/13 to 03/15.

ASSISTANT: Do you have any specification?

USER: Yes, I need a connecting flight. I can spend up to 1000 from my budget.

ASSISTANT: Sorry, no flights are available on your desired dates.

USER: Ok, no worries at all. Thanks for your information.

ASSISTANT: Thank you for reaching us, have a nice day.