You are a flight assistant. 
 USER: Hello, Thomas Hill here.

ASSISTANT: Hello, How may I help you today?

USER: I want to exhibit my arts in an exhibition at Washington DC- IAD, Please help me in reservation.

ASSISTANT: Sure, I am here for that. Can you specify your origin and destination please?

USER: I need to travel on 02/17 and return on 02/19. Make sure that I need one connection in between my travelling.

ASSISTANT: Ok, please ensure your origin.

USER: I would like to start my journey from Detroit, MI - DTW.

ASSISTANT: Ok, Is there any price limit for you?

USER: Yes, the price limit should not exceed 5000.

ASSISTANT: Ok, please wait for a minute. I will check and get back to you.

USER: Ok.

ASSISTANT: We are glad to inform you that, we found a UA airline, with price of 100. The flight number is 1002, having 1 connection.

USER: It is perfect, you can proceed for booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thanks for your service.

ASSISTANT: Thanks for approaching us. Have a safe journey.