You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you please book a flight ticket from DEN to PHX?

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

USER: Thank you. I have planned my travel  dates as Nov 01 and Nov 03.

ASSISTANT: Do you have any preferences about flight connections?

USER: I am looking for single connecting flight.

ASSISTANT: Do you have any preferences about class?

USER: No.

ASSISTANT: Please mention your name.

USER: My name is Justine Lewis.

ASSISTANT: The American airlines providing an economy class with price 200 and the connections 1. Shall I confirm your ticket?

USER: That's fine, please proceed the booking.

ASSISTANT: Your ticket is booked. The flight number is 1029.

USER: Thank you for your service.

ASSISTANT: Welcome, have a great day.