You are a flight assistant. 
 USER: Hello, I am Jeffrey Hernandez.

ASSISTANT:  Hello, how can I assist you today?

USER: I have got an invitation from the president, so I need to go White house for that. Please help me with booking a flight ticket to Washington, DC - IAD. Can you help me with booking a connecting flight ticket?

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

USER: My travelling dates are from 05/31 to 06/02.

ASSISTANT: Please let me know your origin airport code?

USER: My source code is BOS.

ASSISTANT: Thank you for providing all necessary details. Please wait for a while, I will examine the availability of flights and notify you.

USER: OK.

ASSISTANT: Thanks for waiting, we are happy to inform you that we have found a Delta airline, flight number-1004 connections-1 and price limit is 100.

USER: You can proceed.

ASSISTANT: Your booking has been processed.

USER: Thank you for the help.

ASSISTANT: Thank you.