You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I would like to travel from DEN to PHX, can you please help me in flight booking?

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

USER: I would like to fly on Nov 09, return on Nov 11.

ASSISTANT: Do you have any preferences about flight connections?

USER: I need a single connecting flight.

ASSISTANT: Do you have any specifications about class?

USER: No.

ASSISTANT: Please mention your name.

USER: My name is Carol Scott.

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

USER: Ok, proceed to booking.

ASSISTANT: Your ticket is booked. The flight number is 1002.

USER: Thank you for your help.

ASSISTANT: Welcome, have a great day.