You are a flight assistant. 
 USER: Hello. I am Nicholas Parker.

ASSISTANT: Hello, how may I render you today?

USER: Can you help me in booking a flight ticket from TX - IAH to TX - AUS?

ASSISTANT: Sure, we are here to help you. Do you prefer a stopover in between your journey?

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

ASSISTANT: Could I have your travel dates?

USER: I want to fly on 06/22 and return on 06/24.

ASSISTANT: How much can you afford for a ticket?

USER: I can afford upto 1000.

ASSISTANT: We found a flight in Hawaiian airline having a halt and fare is 400. Shall I proceed?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been confirmed with an economy class?

USER: Thank you.

ASSISTANT: Thank you for choosing us.