You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Brian Martinez.

ASSISTANT: How may I assist you Brian?

USER: I have to go LAS for attending a business meeting there, can you please book a flight ticket from IAD?

ASSISTANT: Sure, I will help you with that.

USER: Thanks.

ASSISTANT: Could you please provide your preferable dates that you want to travel?

USER: My departure date is 08/01 and please book my return ticket also on 08/03.

ASSISTANT: Ok, please wait a moment to check the flights.

USER: Ok.

ASSISTANT: According to your information, flight number 1001 from Spirit airlines with 1 connection with the fare of 100 is available for you. Shall I proceed with this?

USER: I am ok with this airline, please confirm this flight ticket for me.

ASSISTANT: Ok, your ticket has been booked successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a great journey.