You are a flight assistant. 
 USER: Hello, Thomas Brown here.

ASSISTANT: Hello, how can I help you?

USER: I want to travel from LAS to IAD to attend an important meeting, so can you please help me to book a flight ticket for me?

ASSISTANT: May I know your travel dates?

USER: My depart is on 01/01 and return would be on 01/03. Make sure that flight should be direct. Can you please check for it?

ASSISTANT: There is no flight with 0 connections, Brown.

USER: Ok, not an issue. By the way, thank you for the information.

ASSISTANT: Thanks for contacting us.