You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am planning to visit Washington, can you please book me a ticket from LGA to DCA?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My preferable journey dates are Jan 14 and Jan 16.

ASSISTANT: Do you have any preferences about class?

USER: No.

ASSISTANT: Do you have any preferences about flight connections?

USER: I prefer direct flight for this trip.

ASSISTANT: Please mention your name.

USER: My name is Paul Green.

ASSISTANT: Frontier airlines providing an economy class flight with price 100 and the connections 1. Shall I confirm your ticket?

USER: Please reserve my ticket in this flight.

ASSISTANT: Your ticket is booked. The flight number is 1028.

USER: Thank you for booking my ticket.

ASSISTANT: Welcome, have a great day.