You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: I have to attend a meeting on the occasion of Labour Day on 09/04.So, can you book a flight on 09/03?

ASSISTANT: Sure, could you please mention your preference connections?

USER: I prefer to travel with one connecting flight.

ASSISTANT: Can I have your name to proceed?

USER: Sure, I am Patrick Carter.

ASSISTANT: Kindly specify your airport codes?

USER: Airport codes are: Washington, IAD to Detroit, DTW.

ASSISTANT: May I know your budget for ticket?

USER: I can afford an amount of 1000.

ASSISTANT: Ok, please hold a moment, let me search a flight for you.

USER: Ok.

ASSISTANT: May I know your return date to proceed?

USER: My arrival date of travel is 09/05.

ASSISTANT: Thanks for your time, we are glad to inform you that we have found a UA airline, flight number-1019 connections-1 and price limit is 200. Would you like me to go on?

USER: Yes, you can proceed to book.

ASSISTANT: Sure, your dates has been reserved.

USER: Ok. Thanks for reserving my ticket.

ASSISTANT: It was pleasure. Thanks for flying with us at UA.