You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I planned to meet my client in JFK, can you please help me to book a flight ticket from DCA?

ASSISTANT: Please provide your trip dates.

USER: I prefer to travel on Apr 19 and Apr 21.

ASSISTANT: Do you need any connection limit?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: I am Patricia Campbell.

ASSISTANT: Frontier Airlines is providing connecting flight on this route with a ticket fare of 100 and flight departs at 0:00 hours and arrives at 3:00 hours, shall I book your ticket in this flight?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket is confirmed in flight 1021.

USER: Thank you for your help.

ASSISTANT: Thank you opting us.