You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you please help me to reserve a flight ticket from Dallas & Fort Worth?

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

USER: Thank you. I am willing to travel on the dates of Dec 05 and Dec 07.

ASSISTANT: Please provide your airport codes.

USER: The airport codes are DFW and SFO.

ASSISTANT: Do you have any preferences about flight connections?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Do you have any preferences about class?

USER: I am looking for a flight which is returning in the morning.

ASSISTANT: Please mention your name.

USER: My name is Scott White. I didn't have class preference.

ASSISTANT: The Southwest airlines providing an economy class flight with price 500 and the connections 1. Shall I confirm your ticket?

USER: If this flight is matching to my requirements, please proceed with the ticket booking?

ASSISTANT: Your ticket is booked. The flight number is 1020 and the return time is 8:00 hours.

USER: Thank you for helping me.

ASSISTANT: Welcome, have a great day.