You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I would like to book a flight ticket which is travelling from TX - HOU to WA - SEA. Could you please help me?

ASSISTANT: May I know your travelling dates to help you out for this day?

USER: My travelling dates are 02/22 and 02/24.

ASSISTANT: Do you have any requirements?

USER: Make sure connection limit is 1 and price should not exceed 500.

ASSISTANT: Here is a flight for you with connection limit 1 and Southwest airline. May I proceed?

USER: Provide me price and flight number.

ASSISTANT: May I know your name?

USER: I am Christine Clark.

ASSISTANT: Your ticket price is 200 and flight number 1004.

USER: Ok, book it for me.

ASSISTANT: Your ticket has been booked.

USER: Thank you.