You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I am Sarah Nelson. Could you please help me in flight ticket booking process from IAD to LAS?

ASSISTANT: I am ready to help you with that booking, may I know your trip dates?

USER: Thank you for your positive response, I want to take off on 09/20 and please confirm my return ticket also on 09/22.

ASSISTANT: Just give a moment.

USER: Ok.

ASSISTANT: I found a flight with the price of 200 and 1 connection limit. Shall I proceed to booking?

USER: Please proceed.

ASSISTANT: Your ticket has been booked successfully with the flight number 1001.

USER: Thank you for your help.