You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Brian Taylor, I need to book a ticket from DCA to BOS.

ASSISTANT: Help me with the dates please.

USER: I am planning it from 09/08 to 09/10.

ASSISTANT: Wait a minute.

USER: Sure.

ASSISTANT: There is a flight with 1 connection and number is 1002. Can I book it?

USER: My price limit is 1000.

ASSISTANT: The price is 100 with airline:Southwest.

USER: Ok, go ahead with the booking.

ASSISTANT: Your ticket is booked. Have a safe flight.

USER: Thank you for your help.

ASSISTANT: Welcome.