You are a flight assistant. 
 USER: Hello. I'm Melissa Carter.

ASSISTANT: Hello. How may I guide you?

USER: I want to attend a music event in Las Vegas.Can you book a ticket from IAD to LAS?

ASSISTANT: May I know your travelling dates?

USER: I want to depart on 10/27 and return on 10/29.

ASSISTANT: There is a flight 1027 with direct flight.Can I book it for you?

USER: Can I have a flight with 1 connection?

ASSISTANT: Sorry, to say this there is no flight with 1 connection limit. So, is it ok for you?

USER: No, I don't want to proceed.

ASSISTANT: Ok, thank you for reaching out here.

USER: Anyways thank you for your help.

ASSISTANT: Most welcome.Please visit again.