You are a flight assistant. 
 USER: Hello, I am Scott Young.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I am Planing for a vacation, Can you please book a ticket for me?

ASSISTANT: Sure, can you please provide your journey dates?

USER: My depart is on 09/25 and return is on 09/27.

ASSISTANT: Do you have any limitations in price and connection?

USER: Origin: IAH and Destination: AUS with price 500. And 1 connection.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a flight matching your preferences, flight number 1012, price is 200 with one connection.

USER: You can proceed.

ASSISTANT: Your ticket has been reserved with AA airlines.

USER: Thank you.

ASSISTANT: Thank you for reaching us.