You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: My name is Patricia Thomas. I want to go for a Christmas shopping, so please book a flight ticket with a price limit of 5000.

ASSISTANT: Ok, please share your depart and return dates?

USER: My departure day is 12/21, return day is 12/23.

ASSISTANT: From which airport do you want to board?

USER: My source and destination airport codes are DC-DCA, NY-JFK. Connections limit is one.

ASSISTANT: Ok, give me a moment.

USER: Ok.

ASSISTANT: We are glad to inform you, there is flight on Southwest airline, flight number 1020 with 100 fare.

USER: May I know the connections limit?

ASSISTANT: Do I proceed for ticket confirmation? Sure, it is a connecting flight.

USER: Ok, you can proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for booking a flight ticket.

ASSISTANT: Thank you for availing us.