You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Anthony Harris.

ASSISTANT: How can I aid you?

USER: I want to book a ticket to Washington to attend a meeting, can you please help me ?

ASSISTANT: Sure. May I know your travelling dates?

USER: I would like to travel on 08/25 and return on 08/27.

ASSISTANT: Can you provide your airport codes?

USER: My airport codes are from LAS to IAD.

ASSISTANT: Flight number 1009 and AA airline and price 100 with a connection. Shall I proceed?

USER: You can proceed.

ASSISTANT: OK, Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thanks for your help.