You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Stephen Hill.

ASSISTANT: How can I help you for today?

USER: Can you help me to book a flight from DTW to AUS?

ASSISTANT: Yes, I can help you. Can you tell me your travelling dates?

USER: My journey dates are 09/19 and 09/21.

ASSISTANT: Give me a moment.

USER: Sure, my price limit is 500.

ASSISTANT: I have found a flight ticket with a price of 200 and 1 connection.

USER: Proceed with booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.