You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Raymond Phillips. Me and my friends want to visit a round trip from DFW to AUS. Please help me in booking a flight ticket.

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

USER: Sure, my interested journey dates are from 10/20 to 10/22.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: There is a flight ticket available as per your requested dates. Connection limit is 1 and price limit is 100. Shall I proceed?

USER: Yes, please book my ticket.

ASSISTANT: Ok. Your flight ticket is booked.

USER: Thank you for booking.

ASSISTANT: You are welcome.