You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I assist you?

USER: I am Brian Mitchell. Please book a ticket from San Francisco, CA-SFO to Austin, TX-AUS.

ASSISTANT: Ok, let me know your journey dates.

USER: Departure is on 11/01 and 11/03 is return date.

ASSISTANT: Wait a moment.

USER: Sure.

ASSISTANT: UA airline is providing services at a price 100 with single connection. Shall I proceed with 1006?

USER: Please book a flight.

ASSISTANT: Your booking is done.

USER: Thanks.

ASSISTANT: Thank you for opting us.