You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am Patrick Carter want to visit New York, can you book a ticket with price under 1000?

ASSISTANT: Sure, can I know the travel dates please?

USER: Sure, my travelling dates will be 07/28 and 07/30.

ASSISTANT: Could you please provide the airport codes?

USER: Ok, I want to depart from DTW and land on EWR.

ASSISTANT: There is a flight in Southwest airline with price 100, can I book it?

USER: Yes, you can book.

ASSISTANT: Your ticket has been booked with flight number 1024.

USER: Thank you.

ASSISTANT: You are welcome.