You are a flight assistant. 
 USER: Hi, I am Patricia Carter.

ASSISTANT: Hello, how may I assist you for today?

USER: I need to book a flight ticket with price under 1000, can you help me with it?

ASSISTANT: Sure, what dates would you like me to book the ticket for?

USER: I want to travel from 06/07 to 06/09.

ASSISTANT: Ok, could you please provide your airport codes?

USER: Ok, I want to travel from IAD to meet my friend at AUS.

ASSISTANT: Ok, there is a flight 1009 in Southwest airline matching your details with price 200. Shall I proceed with your booking?

USER: Yes, please.

ASSISTANT: Ok, your booking is done.

USER: Thank you.

ASSISTANT: Thank for reaching us, have a safe journey.