You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am David Thompson.

ASSISTANT: How can I assist you today?

USER: Can you please book a flight ticket from HOU to LAS?

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

USER: Sure, I need to travel on dates of 04/05 and 04/07.

ASSISTANT: Please give me a moment.

USER: Sure, take your time.

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

USER: That is fine, please proceed with booking.

ASSISTANT: Your ticket is booked. The flight number is 1006 and the airline is Southwest.

USER: Thank you for your help.

ASSISTANT: Welcome, have a great day.