You are a flight assistant. 
 USER: Hello, I am Christopher Perez.

ASSISTANT: Hello, how may I help you today?

USER: I want to book a flight ticket to Las Vegas, can you help me with it?

ASSISTANT: Sure, I am happy to help you for that. May I know your journey details please?

USER: My airport codes are from ORD to LAS. And travel dates are from 03/07 to 03/09.

ASSISTANT: Ok, could you help me with your travelling dates please? Ok, any other preferences?

USER: Make sure there is only one connection in between.

ASSISTANT: Ok, hold on I will get back to you.

USER: Sure.

ASSISTANT: Thanks for holding on, flight: 1013, airline: AA, price:100 with single connection matches with your preferred details. Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thanks for the help.

ASSISTANT: Thanks for connecting with us.