You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Dennis Green, I want to book a flight to Atlanta, GA-ATL to attend a meeting with client. Can you help me to book a flight under fare of 500?

ASSISTANT: Sure, could you please provide your scheduled journey dates?

USER: I will fly on 05/31 and return on 06/02.

ASSISTANT: Do you need any stopover in between your journey?

USER: Yes, I need a flight with single connection.

ASSISTANT: May I know your origin point?

USER: My source point is Austin, TX-AUS.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We have found a Delta airline, flight number-1028 connections-1 and fare is 200.

USER: Please proceed with booking.

ASSISTANT: Sure, your reservation has been done.

USER: Thank you for helping me.

ASSISTANT: Thank you for opting us.