You are a flight assistant. 
 USER: Hello. Myself David Roberts.

ASSISTANT: Hello, how may I oblige you today?

USER: I would like to meet my friend at Austin, will you help me in booking the flight ticket from ORD to AUS?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: My preferable journey dates are 09/23 and 09/25.

ASSISTANT: We are pleased to inform you that we have found a Frontier airline, flight number-1005 connections-1 and price limit is 100.

USER: Sure, you can proceed with the booking.

ASSISTANT: Your booking is done. Thank you for opting us.

USER: Thank you for helping me.