You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I amend you?

USER: I am Eric Brown. I need to book my flight ticket from Las Vegas, LAS to attend a meeting.

ASSISTANT: Ok. So do you need to book a flight ticket?

USER: Yes, I need to book a flight ticket.

ASSISTANT: Please provide me your source code. Please help me with your journey dates.

USER: I will fly on 10/11 and recur on 10/13.

ASSISTANT: Can I know your destination point?

USER: My destination is Austin, AUS.

ASSISTANT: Ok. please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time, UA airline is available for you with a halt at a price 100. Shall I proceed with flight 1021?

USER: Proceed with my booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.