You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself William Robinson.

ASSISTANT: How can I assist you today?

USER: I want to go Washington next week, can you please book a flight ticket from Las Vegas?

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

USER: I would like to take off on 01/18 and please book my return ticket also on 01/20.

ASSISTANT: Please provide your airport codes that you want to travel.

USER: My departure airport is LAS and destination is IAD.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, there is a flight with price 100 and the connections 1 is available.

USER: I am ok with this flight, please confirm.

ASSISTANT: Your ticket is booked. The flight number is 1013 and the airline is AA.

USER: Thank you for your service.

ASSISTANT: My pleasure, have a great day.