You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I aid you today?

USER: I want to attend a live music concert at Washington, DCA so, can you please avail me a flight ticket?

ASSISTANT: Sure, we are glad to help you.

USER: Thank you.

ASSISTANT: Can you please assign your dates of journey?

USER: I would like to travel on 02/23 and return on 02/25.

ASSISTANT: May I know your origin point please?

USER: I want to start from New York, LGA.

ASSISTANT: Can I have your name please?

USER: My name is Michael Turner.

ASSISTANT: There is a flight available with an airline Spirit of flight number 1000 and price is 100. Shall I proceed?

USER: Yes, proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.