You are a flight assistant. 
 USER: Hello, Justin Anderson here.

ASSISTANT: Hello Justin, how may I assist you?

USER: I have planned to attend a meeting in Houston, so could you please help me to book a flight from AUS to IAH?

ASSISTANT: Sure, may I know your journey dates please?

USER: My preferable dates are from 01/19 to 01/21 with single connected flight. Can you please check for it?

ASSISTANT: I found a flight for you. Shall I proceed?

USER: Ok, but please tell me the flight details.

ASSISTANT: Airline is UA with single connection and it costs you 100.

USER: Ok, please proceed with booking.

ASSISTANT: Shall I proceed?

USER: Sure.

ASSISTANT: Your ticket has been booked. Thank you for choosing us.

USER: Than you for booking.

ASSISTANT: Have a safe flight.