You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: I am Kenneth Hill want to visit Washington, can you book a ticket within the fare of 1000?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Sure, my travelling dates will be 02/16 and 02/18.

ASSISTANT: Can I know your airport codes too?

USER: Yes, I want to fly from DTW to DCA.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed?

USER: Ok, proceed with my booking.

ASSISTANT: Ok, your ticket has been booked with flight number 1018.

USER: Thank you.

ASSISTANT: Thank you for choosing us.