You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I'm planning to visit New York, can you book a ticket from BOS to LGA?

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

USER: Sure, my planned departure and return travel dates are 9th and 11th of November.

ASSISTANT: Do you have any preferences about class?

USER: Yes, I prefer business class.

ASSISTANT: Do you have any preferences about flight connections?

USER: Yes, I'm looking for single connected flight.

ASSISTANT: Please mention your name.

USER: My name is Joshua Evans.

ASSISTANT: The Delta airlines providing an business class flight with price 500 and the connections 1. Shall I confirm your ticket?

USER: That's fine, proceed for booking.

ASSISTANT: Your ticket is booked. The flight number is 1016.

USER: Thank you so much for your help.

ASSISTANT: Welcome, have a great day.