You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Debra Carter, I want to reserve a flight to PHX to attend an event over there. Can you please help me to book a flight ticket from LAS?

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

USER: Yes, my travelling dates are 08/19 and 08/21.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, there is a flight with price 100 and the connections 1 is available. Shall I confirm your ticket?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked. The flight number is 1003 and the airline is Southwest.

USER: Thank you for booking my flight ticket with 1003 flight.

ASSISTANT: Welcome, have a great day.