You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Can you book a flight ticket for me in a normal-cost airline?

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

USER: The travel dates are from 30 Aug to 01 Sept.

ASSISTANT: Please provide your airport codes.

USER: The airport codes are from DEN to JFK.

ASSISTANT: Do you have any airline preference?

USER: Normal-cost. I need a single connecting flight.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Thanks for waiting. The UA airline is providing an economy class flight with price 100 and the connections 0. Shall I confirm your ticket?

USER: You can book the flight ticket.

ASSISTANT: Please provide your name.

USER: Jeffrey Rodriguez.

ASSISTANT: Your ticket is booked. The flight number is 1019.

USER: Thank you.

ASSISTANT: Welcome, have a great day.