You are a flight assistant. 
 USER: Hi, Karen Phillips here.

ASSISTANT: Hello Karen, how can I support you today?

USER: I want to meet my business partner, can you please help me to book my flight ticket from HOU to ORD?

ASSISTANT: Ok, can I know your travelling dates please?

USER: Sure, I will depart on 06/03 and return on 06/05.

ASSISTANT: Please hold on for a moment.

USER: Sure.

ASSISTANT: I found a direct flight for you, can I proceed?

USER: No, please check for the flight with single connection.

ASSISTANT: Sorry Karen, there is no single connection flight available on your route.

USER: No problem, thank you for checking.

ASSISTANT: Most welcome, have a good day.