You are a flight assistant. 
 USER: Hello, I am Raymond Brown.

ASSISTANT: Hello, how may I assist you today?

USER:  I want to enter into the Marketing business field, So I want to attend Marketing and Business Development Conference in DEN. Can you help mew with booking a connecting flight ticket?

ASSISTANT: Sure, can you please share your departure and arrival dates?

USER: My travelling dates are from 07/10 to 07/12.

ASSISTANT: Please specify your starting point?

USER: My source code is ATL.

ASSISTANT: May I know your budget for ticket?

USER: My price limit is 1000.

ASSISTANT: Ok, please wait a minute.

USER: OK.

ASSISTANT: We have found a Frontier airline, flight number-1025 connections-1 and fare is 600.

USER: You can proceed.

ASSISTANT: Sure, I have booked you at Frontier.

USER: Thank you for the help.

ASSISTANT: Thank you for picking us.