You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: My name is Williams Brown, I want to visit my home from Austin, TX-AUS. Can you help me to book a flight with in fare of 1000?

ASSISTANT: Sure, can you please share your landing point?

USER: My destination airport is CA-OAK.

ASSISTANT: Do you need any stopover in between your journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: May I know when you are willing to travel?

USER: I will travel on 10/21 and return on 10/23.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time, sorry, no flights available on that route.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for opting us.