You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I amend you today?

USER: Can you book a flight ticket with the name of Lisa Martinez, as I got an invitation to attend for arts and crafts festival at Washington, IAD?

ASSISTANT: Sure. When did you plan to go for Washington?

USER: I would like to start on 08/13.

ASSISTANT: Can I have your origin point?

USER: My origin point is Austin, AUS.

ASSISTANT: Please specify the arrival date.

USER: My return will be on 08/15.

ASSISTANT: Thanks for your details, there is a flight 1022 with AA airline. Price is 100.

USER: You can proceed to book this flight.

ASSISTANT: Your reservation is done.

USER: Thank you for aiding me.

ASSISTANT: Thank you.