You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Reserve a flight ticket in the name of Joseph Lewis.

ASSISTANT: Ok, sure.Can you please tell me your trip dates?

USER: I will be visiting Washington to meet people in the local community, who will share their interests on present government. I will fly from AUS - DCA.

ASSISTANT: Can you please provide me your travel codes?

USER: These are my travel dates 10/07 and 10/09. Find a flight for me.

ASSISTANT: Ok, Lewis I found a flight with price 100 and 1013 as flight number named with Frontier airline.

USER: You can book this flight.

ASSISTANT: Ok, your ticket has been booked.

USER: Thanks for your assistance.

ASSISTANT: Most welcome.