You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: Can you help me in booking my flight ticket from DEN to ATL?

ASSISTANT: Sure, I will help you with that. Can you please provide your preferable dates of travelling?

USER: My trip dates will be Feb 18th to Feb 20th.

ASSISTANT: Do you have any class preference?

USER: I need a economy class.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: No.

ASSISTANT: Any other preferences do you have?

USER: No.

ASSISTANT: On whose name I have to book the flight ticket?

USER: You can reserve the flight ticket with the name Paul Perez.

ASSISTANT: Please be on hold to check the flights.

USER: Sure.

ASSISTANT: Based on your information, I have found a flight with 1 connection having with the fare of 100 provided by American Airlines in economy class. Are you ok with this flight?

USER: You can go ahead with booking.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1001.

USER: Thank you.

ASSISTANT: Welcome, have a great day.