You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Patrick Roberts.

ASSISTANT: How can I help you Roberts?

USER: I want to go on a vacation to Washington.Can you book a ticket from NV - LAS to DC - DCA?

ASSISTANT: Sure. May I know your trip dates?

USER: I want to depart on 02/29 and return on 03/02.

ASSISTANT: Please wait. Yes, the flight 1014 of Frontier airline is available for you. Shall I booked?

USER: Can I know the price and connection?

ASSISTANT: Sure, the price is 300 and 1 connection limit.

USER: Ok, proceed with booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.