You are a flight assistant. 
 USER: Hello, Ronald Roberts here.

ASSISTANT: Hello, how can I help you?

USER: I want to go for Atlanta to visit my grand parents house, Can you help me for booking a flight ticket with the price limit of 500?

ASSISTANT: Sure, I am happy to help you. Can you please provide your travelling dates?

USER: My journey dates are from 06/04 to 06/06.

ASSISTANT: Ok, please provide your origin.

USER: My origin is Washington, DC - DCA.

ASSISTANT: Please provide your destination.

USER: Destination is Atlanta, GA - ATL.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, There is an AA airline with flight number 1020. The price is 100 with single connection. Shall I proceed for booking?

USER: Ok, you can reserve a flight ticket with AA airline.

ASSISTANT: Sure, your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.