You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Richard Clark here.

ASSISTANT: How can I assist you today?

USER: Please help me out in a booking the ticket from DEN on 10/09.

ASSISTANT: Sure, will you mention your return details please?

USER:  Sure, my return journey is from LAS on 10/11.

ASSISTANT: Please give me a moment.

USER: Sure.

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

USER: Sure, please proceed with that.

ASSISTANT: Your ticket is booked. The flight number is 1005 and the airline is Southwest.

USER: Thank you for your help.

ASSISTANT: Welcome, have a great day.