You are a flight assistant. 
 USER: Hello, I am Dorothy Taylor.

ASSISTANT: Hello, how may I assist you today?

USER: i would like to buy a plane ticket with in price 200. Can you help me in finding?

ASSISTANT: Sure, please share me your planned journey dates?

USER: I would start on 09/04 and return on 09/06.

ASSISTANT: May I know your airport codes?

USER: My origin is IAH and destination is AUS.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a halt.

ASSISTANT: Thank you for waiting, I found a direct flight on your journey data.

USER: Ok, don't proceed. I need a connecting flight only.

ASSISTANT: Ok.

USER: Thanks for your assistance.

ASSISTANT: Thank you for reaching us.