You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Paul Collins.

ASSISTANT: How can I assist you?

USER: I want to travel from IAD to LAS for my project meeting, can you please help me to book my flight ticket?

ASSISTANT: Ok, please provide me the travel date of your journey.

USER: Sure, I will depart on 12/18 and return back on 12/20.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: There is a flight available with airfare of 100 and 1 connection limit. Can I book the flight 1015?

USER: Happy to hear that, you can proceed for booking the ticket.

ASSISTANT: Ok, the airlines UA had accepted your booking. Thank you for choosing our agency.

USER: Thank you very much for your help.