You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you please help me in booking a flight ticket from JFK to LAS?

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

USER: I want to fly on June 03 and return on June 05.

ASSISTANT: Do you have any preferences about flight connections?

USER: I need a single connection.

ASSISTANT: Do you have any preferences about class?

USER: I am comfortable with any class.

ASSISTANT: Please mention your name.

USER: Myself Betty Smith.

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

USER: You can proceed to booking.

ASSISTANT: Your ticket is booked. The flight number is 1001.

USER: Thank you.

ASSISTANT: Welcome, have a great day.